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IEC 60974-1:1998 ed2.0

Заменен
Arc welding equipment - Part 1: Welding power sources — 145 стр.
This standard is applicable to power sources for arc welding and allied processes designed for industrial and professional use and supplied by a voltage within the low voltage range (as specified in IEC 38) or driven by mechanical means. This standard is not applicable to welding power sources for manual metal arc welding with limited duty operation which are designed mainly for use by laymen.
ICS
25.160.30 Welding. Including thermal cutting equipment / Сварочное оборудование. Включая оборудование для термической резки