BS 638-3:1979
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Arc welding power sources, equipment and accessories – Specification for air cooled power sources for semi-automatic and automatic metal-arc welding
| Published By | Publication Date | Number of Pages |
| BSI | 1979 | 15 |
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.
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