Argon Gas Uhp Grade 1 Purity 99.9998 Percent Sp [Argon Gas Uhp Grade 1 Purity 99.9998 Percent Spectrographic Quality Confirming To Is:5760 98, To Be Supplied In A Staggered Delivery Schedule Of 7 Vum Per Month In Railway Cylinder Bearing Cmt Lab Pr Id (Firm Has To Collect The Empty Cylinder From Workshop, Fill The Argon Gas And Deliver The Filled Cylinder To Railway Workshop)]