Tender For annual rate contract for the supply of gases - annual rate contract for the supply gases, refilling of zero air gas, uhp- 99.999%,7 cubic meter per cylinder, refilling of hydrogen gas, uhp-99.999%,7 cubic meter per cylinder, refilling of argon gas, uhp- 99.999%,7 cubic meter per cylinder, refilling of nitrogen gas, uhp- 99.999%,7 cubic meter per cylinder, refilling of helium gas, 99.999%,7 cubic meter per cylinder, refilling of oxygen gas, 99.9%,7 cubic meter per cylinder, refilling of oxygen gas, uhp-99.999%,7 cubic meter per cylinder, refilling of carbon-di-oxide (co2) gas, uhp-99.999%, 30kg per cylinder, refilling of dissolved acetylene gas, uhp- 99.999%, capacity 6.0 meter, refilling of dissolved acetylene gas, 99.9%, capacity 6.0 meter, refilling of nitrous oxide gas 99.99%, capacity 17.0 cubic meter per cylinder, bronze service plan ; hsn code:90278990