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Interchangeable Stopper Tenders

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State Government

CTN :44919726 Due date: 04 May, 202604 May, 2026 20.73 Lacs
Tender For procurement of lab glasswares and lab apparatus to rtps - combined glass electrode, ph meter, conductivity cell (0.1), conductivity meter, turbididy meter, spectrophotometer cuvettes, orsat apparatus (vensil make), thermometer wet & dry bulb, self anemo syringe (flue gas), combination ph electrode, desiccator - 250 mm, heating mantle, hot plate, corrosion coupon (cu-ni), corrosion coupon (ss), corrosion coupon (ms), gas bladder, brush for conical flask, screw clips or pinch cocks, burette clamp & holder, filter paper, filter paper -no.41, filter paper -whatman no.42, tissue paper rolls, spatula 9 inch, separating funnel stand, ph indicator paper range 1-14, wash bottle-500 ml, beaker-50ml, beaker - graduated-25ml, beaker borosil graduated 100ml, borosilicate glas beaker 250ml, beaker-500ml, beaker(p)1000ml, beaker-1000ml, beaker-(p)-5 ltr, beaker plastic jug 2.5l, beaker(p)-100ml, beaker (p)-250ml, beaker-(p)-500ml, beaker-(p)-2000ml, beaker-(p)-10 ltr, bod bottle-300 ml, reagent bottle-250 ml, reagent bottle-500 ml, reagent bottles - 2000 ml, bottle reagent 1000 ml, glass rod flat end, bottle reagent ambcolour 500ml, bottle reagent ambcolor 1000ml, bottles-sampling wide-500 ml, bottles-sampling-1 ltr, indicator bottles with dropper, indicator bottle with droppers, bottle-weighing-25 ml, burette stand, burette-5ml, burette-10ml, burette /ptfe screw 25ml, burette-auto-50 ml, measuring cylinder-10 ml, cylinders-50 ml, cylinders-250 ml, cylinders-500 ml, cylinders-1000 ml, dishes-(c)-150 x 75 mm, volumetric flask -100 ml, deposit monitor, portable air quality monitor with data logger, flask-conical -100 ml, flask-conical -250 ml, flask-with stopper-250 ml, std volumetric flasks-25 ml, flask-volumetric-50 ml, flask-volumetric-250 ml, flask-volumetric- 500 ml, flask-volumetric- 1000 ml, funnel -50 mm, funnel -100 mm, separating funnel, pipettes-1 ml, pipette-s- 5 ml, pipette-s- 10 ml, pipette-s- 25 ml, rubber bellow for auto burette, cylinder-with stopper-250 ml, reagent bottle/plastic 1000ml, hydro meter sp.gr. 1 - 2.0, rubber blader for pipettes, round bottom flasks -250ml, round bottom flasks-500ml, reflux condensors-400mm, pipettes / bulb type - 50ml, corrosion coupon rack, bactaslides(yeast&fungi), bactaslides(pseudomonas), bactaslides(srb), bactaslides(e-coli), bio-foluling monitor, combined glass electrode, ph meter, conductivity cell (0.1), conductivity meter, turbididy meter, spectrophotometer cuvettes, orsat apparatus (vensil make), thermometer wet & dry bulb, self anemo syringe (flue gas), combination ph electrode, desiccator - 250 mm, heating mantle, hot plate, corrosion coupon (cu-ni), corrosion coupon (ss), corrosion coupon (ms), gas bladder, brush for conical flask, screw clips or pinch cocks, burette clamp & holder, filter paper, filter paper -no.41, filter paper -whatman no.42, tissue paper rolls, spatula 9 inch, separating funnel stand, ph indicator paper range 1-14, wash bottle-500 ml, beaker-50ml, beaker - graduated-25ml, beaker borosil graduated 100ml, borosilicate glas beaker 250ml, beaker-500ml, beaker(p)1000ml, beaker-1000ml, beaker-(p)-5 ltr, beaker plastic jug 2.5l, beaker(p)-100ml, beaker (p)-250ml, beaker-(p)-500ml, beaker-(p)-2000ml, beaker-(p)-10 ltr, bod bottle-300 ml, reagent bottle-250 ml, reagent bottle-500 ml, reagent bottles - 2000 ml, bottle reagent 1000 ml, glass rod flat end, bottle reagent ambcolour 500ml, bottle reagent ambcolor 1000ml, bottles-sampling wide-500 ml, bottles-sampling-1 ltr, indicator bottles with dropper, indicator bottle with droppers, bottle-weighing-25 ml, burette stand, burette-5ml, burette-10ml, burette /ptfe screw 25ml, burette-auto-50 ml, measuring cylinder-10 ml, cylinders-50 ml, cylinders-250 ml, cylinders-500 ml, cylinders-1000 ml, dishes-(c)-150 x 75 mm, volumetric flask -100 ml, deposit monitor, portable air quality monitor with data logger, flask-conical -100 ml, flask-conical -250 ml, flask-with stopper-250 ml, std volumetric flasks-25 ml, fl

Central Government/Public Sector

CTN :44991424 Due date: 15 May, 202615 May, 2026 NA
Tender For supply of vaccum pump with glass desiccator

CTN :44997868 Due date: 15 May, 202615 May, 2026 NA
Tender For supply of liebig condenser, length 250 mm , liebig condenser, length 300 mm , liebig condenser, length 350 mm , storage vials, 5 ml , flat bottom culture tube, 20 ml , screw-neck bottle, 100 ml , screw-neck bottle, 500 ml , screw-neck bottle, 1000 ml , borosilicate glass beaker,100 ml , borosilicate glass beaker,250 ml , borosilicate glass beaker,500 ml , borosilicate glass beaker,1000 ml , borosilicate glass beaker,5000 ml , borosilicate glass beaker,10000 ml , borosilicate glass petri dish, 200 mm , graduated cylinder, 100 ml , transparent conical neck bottle, 100 ml , amber colour conical neck bottle, 100 ml , amber colourconical neck bottle, 500 ml , glass stirrer rod , glass straight funnel, diameter 50 mm , glass straight funnel, diameter 100 mm , glass straight funnel, diameter 150 mm , laboratory glass adapter reduction cone joint 24 by 29 to socket 14 by 23 , laboratory glass adapter reduction cone joint 24 by 29 to socket 19 by 26 , laboratory glass adapter reduction cone joint 19 by 26 to socket 14 by 23 , laboratory glass adapter expansion cone joint 14 by 23 to socket 24 by 29 , laboratory glass adapter expansion cone joint 19 by 26 to socket 24 by 29 , laboratory glass adapter expansion cone joint 14 by 23 to socket 19 by 26 , laboratory glass adapter cone flexible tubing, cone joint size 24 by 29 , laboratory glass adapter cone flexible tubing, cone joint size 19 by 26 , laboratory glass adapter interchangeable joints, cone joint size 24 by 29 , laboratory glass adapter interchangeable joints, cone joint size 19 by 26 , 250 mm dia. vacuum desiccator , dean and stark apparatus ) /bid number : gem/2026/b/7449921 * /dated: 24-04-2026 & & / bid document 1 / 27

Central Government And Public Sector

CTN :44768563 Due date: 01 May, 202601 May, 2026 6.78 Lacs
Tender For corrigendum : supply of flask,conical,glass,100ml , burette,glass,50ml , burette,glass,25ml , burette,rectangular,std , stand-clamp,holder,std , bottle,wide mouth,plastic,1000ml , bottle,wide mouth,plastic,500ml , bottle,plastic,120ml , wash bottle,plastic,500ml , wash bottle,plastic,1000ml , cylinder,plastic,500ml , cylinder,plastic,250ml , cylinder,plastic,1000ml , jerkin,plastic,5l , carboy,plastic,20l , desiccator,plastic,medium , beaker,glass,1000ml,105x145mm , beaker,glass,500ml , beaker,glass,250ml , cylinder,glass,500ml , cylinder,glass,200ml , cylinder,glass,50ml , cylinder,glass,25ml , flask,conical,glass,1000ml , flask,conical,glass,500ml , flask,conical,glass,250ml , pipette,glass,10ml,0.1mm , pipette,glass,5ml,0.1mm , pipette,glass,2ml,0.01mm , pipette,glass,1ml,0.01mm , pipette,volumetric,glass,25ml , funnel,separator,glass,250ml , funnel,separator,glass,500ml , funnel,separator,glass,1000ml , petri dish,glass,50x17mm , petri dish,glass,100x15mm , flask,glass,1000ml , flask,volumetric,glass,500ml , flask,volumetric,glass,250ml , flask,glass,100ml , tube,nessler,glass,100ml,34x180mm , tong,large , tong,small,f or ash and vm testing , beaker,glass,100ml , racks-pipette,stands,pp,std , funnel,plain,glass,medium , spatula,small , spatula,150mm , rod,glass,7x350mm , bod bottle,glass,300ml , thermometer,wet n dry bulb,glass , watch,glass,100m , burette,straight bore,glass,10ml , burette,straight bore,glass,5ml , beaker,glass,50ml , cylinder,glass,10ml , cylinder,glass,100ml , cylinder,glass,1000ml , funnel,plain,glass,sx50mm , funnel,glass,lx70mm , cylinder,clamp,std , dispenser,5ml , dispenser,top liquid,1-10ml , burette,glass,2ml , kit,distillation,glass , hydrometer,glass , burette,auto zero,glass,25ml , water bath assy,thermostat,std , filtration assy , micro pipette,plastic , amber glass bottle 1000 ml , amber glass bottle 500 ml , amber glass bottle 250 ml , bottle,narrow mouth,plastic,500ml , bottle,narrow mouth,plastic,1000ml , burette,auto zero,glass,50ml , beaker,plastic,100ml , beaker,plastic,250ml , beaker,plastic,500ml , beaker,plastic,1000ml , beaker,conical,plastic,2000ml , sampling bladder , micro pipette,plastic,100-1000ul , pipette tip,plastic,0-1000ul , micro pipette,plastic,1000- 5000ul , stand funnel,clamp,std , vessel,glass,medium , thermometer,hg,glass , thermometer,1mm,hg //bid details 2 / 67

Central Government/Public Sector

CTN :43831806 Due date: 25 Apr, 202625 Apr, 2026 NA
Tender For bid to ras corrigendum : supply of laboratory glassware for solapur b b -beaker,glass,100ml , beaker,glass,250ml , beaker,glass,1000ml,105x145mm , cylinder,glass,25ml , cylinder,glass,50ml , cylinder,glass,1000ml , flask,volumetric,glass,250ml , flask,volumetric,glass,500ml , flask,conical,glass,250ml , funnel,plain,glass,sx50mm , pipette,glass,5ml,0. 1mm , pipette,glass,10ml,0. 1mm , pipette,glass,5ml , beaker,glass,500ml , tube,nessler,glass,100ml,34x180mm , hydrometer,glass , thermometer,wet and dry bulb,glass , hydrometer,800-850 , rod,glass,7x350mm , weighing bottle,squat,glass,20ml,50x35mm , kit,distillation,glass , bottle,glass,250ml , funnel,separator,glass,250ml , funnel,separator,glass,500ml , funnel,separator,glass,1000ml , filtration assy , bod bottle,glass,300ml , watch,glass,50mm , burette,glass,50ml , test tube,glass,15x125mm , flask,reaction,glass,500ml , thermometer,hg,glass , flask,volumetric,glass,2000ml , desiccator,glass,250ml , pipette,volumetric,glass,25ml , pipette,volumetric,glass,20ml , petri dish,glass,50x17mm , petri dish,glass,100x15mm , bottle,glass,500ml , bottle,glass,1000ml , crucible,silica-moisture,glass,medium , crucible,silica-ash,glass,sx40mm , cuvette,glass,17. 5ml,50mm , bottle,glass,100ml ) /bid number: gem/2026/b/7181043 * /dated: 02-02-2026 & & / bid document1 / 31

CTN :44948846 Due date: 11 May, 202611 May, 2026 3.00 Lacs
Tender For supply of glassware for ral chennai d d - beaker 250 ml tall form with spout , beaker 400ml tall form with spout , burette plain 50ml with a cerificate 0.1 ml graduation with glass stopper , burette 50 ml automatic zero amber colour mounted on reservoir with glass stop clock class a , silica crucibles medium form 50 ml without lid should with stand the temperature up to 600 degree celsius in muffle furnace , cylinder graduated 50ml 1ml graduation with single metric scale and tall form with spouted neck pour out type 1b class a , dean and stark apparatus full set for the determination of moisture round bottom flask 500 ml capacity with b24 trap joint 5 ml trap without stop cock , flask std. volumetric 1000 ml with interchangeable stopper white class a certified , flask std. volumetric 100 ml with interchangeable stopper white class a certified , flask conical 250 nm plain with b24 joint and stopper , flask 310 ml capacity without joint plain neck rm pv flask , flask sugar with 110 by 100ml marking two mark , flask round bottom 1000ml capacity with b24 joint , alcohol or water re distillation assembly flat bottom flask 2000 ml with side arm having 24 by 29 interchangeable joint , glass beads 3mm dia , iodine flask interchangeable stopper 500ml , separating funnel 1000ml capacity pear shaped interchangeable stopper glass bore stop cock , one mark pipettes 100 ml with bulb class a , one mark pipettes 50ml with bulb class a , one mark pipettes 20 ml with bulb class a , one mark pipettes 25 ml with bulb class a , moisture dishes 7 to 8 cm in diameter 2.5 cm deep provided with tight fitting slip over cover , centrifuge tubes , air condenser , pipette 5 ml , pipette 2 ml , flasks kjeldahl round bottom long neck ) /bid number : gem/2026/b/7456139 * /dated: 20-04-2026 & & / bid document 1 / 21

Co-operative

CTN :44804031 Due date: 15 Apr, 202615 Apr, 2026 3.24 Lacs
Tender For supply of laboratory glassware items - 3023781, 250.000, glassware name:flask boiling,capacity:250ml,,information:round with flat bottom,long neck,size:78 x 145mm,supplementary requirements:approx. neck od x height(mm):33 x 65design type-borosil(4060021),make-borosil,jsgw,, 9001855, 300.000, test tube,glasssize:25 x 150mm,additional information:without rim,for swabmake:-borosil,jsgw,merck,fisher,ranchem,glassco, 3023479, 120.000, glass beaker,capacity:100ml,size:50 x 73mm,additional information:low form,with spout,graduatedmake:borosil,merck,jsgw,glassco,supertek,rankem,fisher,sun, 3023237, 100.000, glasswear name:2.2 ml bacteriological graduated pipette,shape of item:bacteriological,capacity:2.2ml,calibratedaccuracy limit:+/-0.04ml,marking 1.0,2.0,2.1,2.2 ml,make:-jsgw,borosil,merck,rankem,fisher, 3023258, 60.000, glass coverslip 22 x 22 mm round shape.microscopic cover glass,no-1 english glassmake:borosil,jsgw,merck,fisher,ranchem,blue ribbon.blue star, 3023480, 50.000, lactometer-marked scale:20-35;isi ,for tesing milk,double tested calibrated 0 tolerence,is 9585,isi,cm/l-1075339,made from borosil glass for durability,make:borosil,merck,jsgw,glassco,supertek,rankem,fisher,benny,, 3023498, 60.000, zeal lactometer for milk lr reading,as per bis,fssai,standard calibrated,supplementary requirements:scale:0 to 40 (having 0,10,20,30,40) calibrated at 27 deg c,double testedmake :borosil,merck,g.h.zeal(made in london),benny, 3023259, 10.000, mojonnier fat extraction flask with rubber cork for milk product fat extarction method,capasity:-100 ml,borosilicated glass,make borosil,jsgw, 3023784, 50.000, glassware lab, measuring cylinder, cap:100 ml, ht:260mm, accuracy limit:+/-1.0 ml at 27 d c(as per is:878:1975), garduation interval 1.0ml, single metric scale, with pour out & hexagonal base made of borosilicate glass,calibratedmake:borosil,jsgw,merck,fisher,ranchem,glassco, 3023628, 10.000, glassware lab,name:volumetric pipette,capacity:1ml,accuracy limit:+/-0.01ml at 27 deg c,calibrated,standard confirm to:is:4162:1967,supp. requirements:graduation interval:0.01ml,,add. info.:graduation with brown markingmake:borosil,jsgw,merck,fisher,ranchem,, 3023906, 10.000, glassware lab,name:thermometer,shape of item:mercury,accuracy limit:+/-0.5 deg c,supplementary requirements:temperature range:-10 to 110 deg c,additional information:with permanent brown colour screen printing graduation, with parmenent i.d mark.double tested calibrated,brandedglassware lab,name:thermometer,shape of item:mercury,accuracy limit:+/-0.5 deg c,supplementary requirements:temperature range:-10 to 110 deg c,additional information:with permanent brown colour screen printing graduation, with parmenent i.d mark.double tested calibrated,branded, 3023830, 10.000, name:t.s.dish with lid, type:flat round bottom,material:aluminium alloy,size:7.0 cm dia x 2.5 hight cm,weight:40g,provided with easily removable but closely fitting lids., 3013623, 12.000, lab,glassware name:reagent bottle,capacity:2000ml,size:129x265mm,supp. requirements:size of interchangeable stoppre:34/35,colour:white,add. info.:narrow mouth,with interchangeable flathead stoppermake:borosil,jsgw,merck,fisher,ranchem, 9001834, 20.000, digestion tube 250 ml for borosil protein analyser,digestion unit model kbd083, distillation unit model no. kdi050,250 ml borosilicate test tube asmproduct code:-blmattb01041250000as per our sample, 3023424, 10.000, lab,glassware name:flask,shape of item:conical,capacity:750ml,size:114x210mm,supplementary requirements:approx. neck od:34,additional information:graduated,narrow mouth,make:borosil,merck,jsgw,glassco,supertek,rankem,fisher,sun, 3023496, 40.000, glassware lab,glassware name:pipette,shape of item:volumetric,capacity:2ml,accuracy limit:+/-0.02ml at 27 deg cml,make :- borosil / merck / jsgw,standard, 3023788, 50.000, lab,glassware name:reagent bottle,capacity:1000ml,size:104x200mm,,supplementary requirements:interchangeable stopper size:29/32,colour:white,additional i

CTN :43162785 Due date: 11 Apr, 202611 Apr, 2026 NA
Tender For bid to ras supply of flask, volumetric, with interchangeable stopper accuracy as per class a, borosilicate glass capacity 50ml, tolerance 0. 06 stopper size 10by15 , flask, volumetric, with interchangeable stopper accuracy as per class a, with works certificate, borosilicate glass, capacity 25ml, tolerance 0. 08 ml stopper size 10by15 , flask, volumetric, with interchangeable stopper accuracy as per class a with work certificate, borosilicate glass capacity 10 ml stopper size 10by15 , flask, volumetric, with interchangeable stopper accuracy as per class a, with work certificate. borosilicate glass capacity 100 ml, tolerance 0. 10 ml stopper size 14by15 , flask, boiling, florence, flat bottom, borosilicate glass capacity 150 ml dimensions 28 x 75 x 132 mm approx , flask, boiling, florence, flat bottom, borosilicate glass capacity 250 ml, dimensions 34 x 82 x 134 mm approx , flask, volumetric, with interchangeable stopper, accuracy as per class b, borosilicate glass capacity 250 ml, tolerance 0. 3 ml stopper size 14by15 , flask, volumetric, with interchangeable stopper, accuracy as per class a, with works certificate, borosilicate glass capacity 250 ml, tolerance 0. 15 ml stopper size 14by15 , flask, filtering, bolt neck, heavy wall and tubulation, borosilicate glass capacity 250 ml, dimension od x ht 85 x 146 mm , flask, boiling, round bottom, borosilicate glass capacity 250 ml, dimension 34 x 83 x 120 mm , flask, boiling, round bottom, borosilicate glass capacity 500 ml dimension neck od 30-35mm, body od105-110mm, ht175-200mm , flask, volumetric, with interchangeable stopper, accuracy as per class a, with works certificate, borosilicate glass capacity 500 ml, tolerance 0. 25 ml stopper size 19by20 , flask, erlenmeyer conical, narrow mouth, with interchangeable stopper, borosilicate glass capacity 500 ml dimension od105-110mm x ht180200mm joint size 29by25 , flask, boiling, florence, flat bottom, borosilicate glass, capacity 1000 ml dimensions neck od 30-35mm x body od130-140mm x height 230260mm , flask, volumetric, with interchangeable stopper, accuracy as per class a of is 915-1975, with work certificate borosilicate glass capacity 1000 ml, tolerance 0. 40 ml stopper size 19by20 , flask, volumetric, with interchangeable stopper, accuracy as per class b of is 915 1975, with works certificate, borosilicate glass capacity 1000 ml , flask, filtering, bolt neck, heavy wall and tubulation, borosilicate glass capacity 1000 ml, dimension 127 x 238 mm , flask, boiling, round bottom, borosilicate glass capacity 1000 ml, dimension 42 x 130 x 185mm , flask, volumetric, with interchangeable stopper accuracy as per class b of is 915-1975, borosilicate glass capacity 2000 ml, tolerance 1. 2 ml dimension 161x 388 mm, stopper size 19by20 , flask, boiling, round bottom, borosilicate glass capacity 2000 ml dimension neck od40mm x body dia 160-170mm x height 260-290mm , flask, boiling, florence, flat bottom, borosilicate glass capacity 2000 ml dimension neck od35-38mm x body dia 160-170mm x height 285-310mm , flask, volumetric, with interchangeable stopper accuracy as per class a of is 915 1975, with work certificate. capacity 2000 ml , flask, filtering, bolt neck, heavy wall and tubulation, borosilicate glass capacity 2000 ml, dimension od x ht 168 x 292 mm , flask, erlenmeyer conical, narrow mouth, borosilicate glass capacity 3000 ml, dimension od x ht 185 x 315 mm , flask, boiling, round bottom, borosilicate glass capacity 3000ml, dimension 48 x 184 x 260 mm , flask, boiling, florence, flat bottom, borosilicate glass capacity 3000 ml //bid details2 / 38dimension od165-190mm x ht270-300mm , flask, erlenmeyer conical, narrow mouth, borosilicate glass capacity 5000 ml, dimension od x ht 220 x 377 mm , flask, boiling, round bottom, borosilicate glass capacity 5000 ml, dimensions 52 x 221 x 310 mm

Central Government/Public Sector

CTN :44327653 Due date: 06 Apr, 202606 Apr, 2026 NA
Tender For corrigendum : supply of glass syringe 5ml , heating mantle, 500ml , separating funnel 250 ml , heating mantle, 2000ml , heating mantle, 1000ml , whatman filter paper grade 1 , burettes with straight bore ptfe key stopcock, capacity= 25ml, graduation interval= 0. 05 , test tubes, test (culture) , without rim (capacity ml= 25 ml, approx o. d. x length mm= 18x150mm) , filtration conical flask - buchner 500 ml , separating funnel pear shaped with stopcock and interchangeable stopper, 250 ml , separating funnel, globe shape, with stopcock and inter- changeable stopper, 1000 ml , glass syringe 10ml , volumetric flask with interchangeable solid glass stopper, accuracy as per class a, amber with certi , variable volume pipette (micropipette) , 200-1000? l model (t-1000) 1 ml , whatmann filter paper 41 , glass syringe 2 microlitre , glass petridish 200 mm(dia) , soxhlet extractor, capacity ml= 1000 ml, extractor socket= 55/44 extractor cone= 34/35 , test tubes, culture, media, round bottom, with pp screw cap (autoclavable) and liner, capacity 15 ml , measuring cylinders, capacity 250 ml , measuring cylinders, capacity 1000 ml , centrifuge tubes, oil, (watering) as per astm d96 o. d= 44 mm length= 165 mm , whatmann filter paper ashless -40 , whatman filter paper grade 42 (qualitative circles diameter 110 mm) , micropipette 100-1000 micro liter , funnel filtering, 60 degree angle , thermometer for pour point ip1c astm 5c with nabl certificate range= -38 to 50? , merck 0. 45? m membrane micron filter paper , whatman filter paper grade 50

Central Government/Public Sector

CTN :44652614 Due date: 10 Apr, 202610 Apr, 2026 NA
Tender For supply of balance electronic digital 1t , electronics balance 220gm 0point1mg precesion , electronics precision balance 05 kg , hot plate standard large , humidity chamber std , hot air oven minimum free space , hot air oven , furnance digital tem controller , high vaccum silicon grease 50 gm , test sieve ss , test sieve ss 12point5mm , test sieve brs 3point35mm , sieve dia 18 size 2.9 mm , test sieve brs 212 micron , dish enamel try large , filter paper whatman 540 circles 100 pk , glass desiccator 300ml , hydrochloric acid n10 ampoules pck of 6 , glass buret 50 ml , pipette automatic glass std , flask glass 1000ml , hygrometer 4 20ma 80 20degpointc 240vac , burette rectangular std
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