Supply Of Gas Argon Refilling Grade-3, 99.993%, Gas Argon Refilling Grade-3, 99.993%, High Purity, Capacity Of Each Cylinder Is 07 Cubic Meter To Is 5760/1998 .. Cumt. Reaffiremed 2003 2nd Rev. Refilling To Be Done When Required Basis, 05 Cylinders Each Time..