电阻焊接。电阻焊机用整流器设备。规范和试验。
Electric resistance welding. rectifier equipment for resistance welding machines. specifications and tests.
气焊设备。焊接、切割和相关工艺用储气瓶上的组合流量计调节器。分类、规范和试验。
Gas welding equipment - Integrated flowmeter regulators used on cylinders for welding, cutting and allied processes - Classification, specification and tests.
此标志表示机械和控制工程设备系按英国劳氏船级社规范或与其等效的规定进行布置、安装和试验者。
It denotes that the machinery and control engineering has been arranged, installed and tested in accordance with LR's Rules, or is equivalent thereto.
此标志表示机械和控制工程设备系按英国劳氏船级社规范或与其等效的规定进行布置、安装和试验者。
It denotes that the machinery and control engineering has been arranged, installed and tested in accordance with LR's Rules, or is equivalent thereto.
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