Tender For supply of dissolved acetylene gas to is: 308/1988, [dissolved acetylene gas to is: 308/1988, iiird revision with amendment no. 1.in firm s returnable cylinders]
Tender For bid to ras corrigendum : supply of dissolved acetylene (gas) (v2) conforming to is 308 , 4393- 4936 - rental charges for dissolved aceyletene gas