Gas welding equipment. Quick-action couplings with shut-off valves for welding, cutting and allied processes
气焊设备 焊接、切割和相关工艺用带切断阀的快接管接头

2022-02-03

Gas welding equipment — Quick-action couplings with shut-off valves for welding, cutting and allied processes
气焊设备.切割和相关工艺焊接用带截止阀的快接管接头

2018-12-13

BS ISO 7289. Gas welding equipment. Quick-action couplings with shut-off valves for welding, cutting and allied processes
BS ISO 7289 气焊设备 焊接、切割和相关工艺用带切断阀的快接管接头

2008-07-28

Gas welding equipment - Quick-action couplings with shut-off valves for welding, cutting and allied processes; English version of DIN EN 561
气焊设备——焊接、切割和相关工艺用带切断阀的快接管接头；德文版EN 561:2002

2002-09-01