supply of supply of argon gas, grade-3, 99.993%, h [supply of argon gas, grade-3, 99.993%, high purity, capacity of each cylinder is 07 cubic meter to is 5760/1998 reaffirmed 2003 2nd rev. with purity certificate in firm s returnable cylinders. . note: - 1. firm should make delivery of gas cylinders at consignee s premise as and when required. 2. empty cylinder not available at consignee end.] , supply of argon gas, grade-3, 99.993%, high purity, capacity of each cylinder is 07 cubic me ter to is 5760/1998 reaffirmed 2003 2nd rev. with purity certificate in firms returnable cylinders. . note: - 1. firm should make delivery of gas cylinders at consignees premise as and when required. 2. empty cyli nder not available at consignee end. [ warranty period: 30 months after the date of delivery ] ]