GB/T 25300-2010 电阻焊设备 汽车工业中使用的具有一个次级线圈的多点焊变压器特殊技术条件 Resistance welding equipment—Particular specifications applicable to transformers with one secondary winding for multi-spot welding, as used in the automobile industry
Resistance welding equipment—Particular specifications applicable to transformers with one secondary winding for multi-spot welding, as used in the automobile industry