Arc welding power sources, equipment and accessories. Specification for air cooled power sources for semi-automatic and automatic metal-arc welding
国外标准现行
标准号:BS 638 Pt.3-1979
标准名称: 电弧焊用电源、设备和附件.第3部分:半自动和自动金属电弧焊用空冷电源规范
英文名称:Arc welding power sources, equipment and accessories. Specification for air cooled power sources for semi-automatic and automatic metal-arc welding