Gem bids for Automatic And Semi Automatic Welding Equipment With Selfadjusting Arcs Mig / Mag As Per Is 7931 Part 1, Part 2 Andpart 3 Q2, Tungsten Inert Gas Tig Welding Equipmentas Per Is 9604:1994 Q2, Portable Single Operatedrectifier Type Dc Arc Welding Set Suitable For Manual Arcwelding Process As Per Is 4559 Q2 % % % % 3 3 0 0 /