GOST R IEC 60974-9-2014 Arc welding equipment Part 9 Installation and use《弧焊设备 第9部分 安装和使用》.pdf

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4、s for residual current operated protective devices) 60974-1:2005 . 1. (IEC 60974-1:2005 Arc welding equipment Part 1: Welding power sources1) 60974-4 . 4. (IEC 60974-4 Arc welding equipment Part 4: Periodic inspection and testing) 60974-6 . 6. (IEC 60974-6 Arc welding equipment Part 6: Limited duty

5、manual metal arc welding power sources) 60974-10 . 10. IEC 60974-10 Arc welding equipment Part 10: Electromagnetic compatibility (EMC) requirements 1 IEC 60974-1:2012 . 1. (Arc welding equipment Part 1: Welding power sources). , , . 60974-9201 4 2 60974-11 . 11: (IEC 60974-11 Arc welding equipment P

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