Industrial Compressed Oxygen Gas To Is 309/2005 (Forth Revision) Note:- Quantity Of Supplie D Oxygen Gas Shall Be Measured At Consignees Premises And Payment Of Supplied Oxygen Gas Will Be Base D As Per Store Instruction No. 11 Wr 509 Dt 24.04.2003 ( Copy Enclosed) [ Warranty Period: 30 Months Af Ter The Date Of Delivery ] ]