发明授权
US4280041A Apparatus for arc welding or plasma cutting 失效
电弧焊或等离子切割设备

Apparatus for arc welding or plasma cutting
摘要:
An arc welding or plasma cutting apparatus has a current source as well as a set of controls for the welding or cutting process and includes a diagnosis apparatus which can be hooked up to the current source and/or the controls.
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