BS 638-3:1979被替代
Arc welding power sources, equipment and accessories. Specification for air cooled power sources for semi-automatic and automatic metal-arc welding
出版：British Standards Institution
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基本信息
标准编号： BS 638-3:1979
发布时间：1979/7/31 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：0
标准简介
Requirements for d.c. generators, alternators, a.c. transformers and air cooled rectifiers power sources of the drooping voltage characteristic type or the substantially constant voltage characteristic type. Requirements for driving motors or internal combustion engines for d.c. generators.
标准备注
© British Standards Institution 2013
Replaces notes:
Partially replaces BS 638:1966.
本标准替代的旧标准
