Tender For corrigendum : supply of procurement of mechanicalsealspares for bpcl bina refinery - o ring dg no 09 h75k slash 58 fta1,r1 pn 1.1.4 , seat dg no 09 h75k slash 58 fta1 r1 pn 1.2 , o ring dg no 09 h75k slash 58 fta1 r1 pn 1.3 , o ring dg no 09 h75k slash 58 fta1 r1 pn 2.1.4 , seat dg no 09 h75k slash 58 fta1 r1 pn 2.2 , o ring dg no 09 h75k slash 58 fta1 r1 pn 2.3 , o ring dg no 09 h75k slash 58 fta1 r1 pn 4 , o ring dg no 09 h75k slash 58 fta1 r1 pn 6 , o ring dg no 09 h75k slash 58 fta1 r1 pn 10