1. CGA C-6:2007 STANDARDS FOR VISUAL INSPECTION OF STEEL COMPRESSED GAS CYLINDERS; }9 M; N5 v* s& G9 G' K9 S
2. ISO 6406:2005 Gas cylinders — Seamless steel gas cylinders — Periodic inspection and ) M2 ?2 q! m$ [$ O' Q) [3 Dtesting ; `& m. _5 m. i( e9 t3. EN 1968:2002 Transportable gas cylinders — Periodic inspection and testing of seamless steel gas cylinders
发表于 2010-6-12 17:00:55