DIN EN 16753 E:2014-07 气瓶 压缩气用150升至3 000升水容量的可再充装无缝钢管的现场 (无需拆卸) 定期检查和试验(草案)
Gas cylinders - Periodic inspection and testing, in situ (without dismantling) of refillable seamless steel tubes of water capacity between 150 l and 3 000 l, used for compressed gases