Tender for Corrigendum : Supply Of Analytical Reference Standards - Parathion , Endrin Ketone , 4 4 Ddd , Deltamethrin , Dieldrin , Chlorpyriphos , Lindane , Alpha Endosulfan , Alpha Hch , Paraoxon Ethyl , Buffer Solution 7 , Fluoride Test Kit , Phosphate Standard , Buffer Solution 4 , Buffer Solution 9 , Sulfate Standard , Nitrate Standard , Potassium Hydrogen Phthalate , Cyanide Test Kit , Aflatoxinb1 , Aflatoxinb2 , Aflatoxing1 , Aflatoxing2 in Chennai - Tamil Nadu

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