Arc welding power sources, equipment and accessories. Specification for air cooled power sources for semi-automatic and automatic metal-arc welding.
STANDARD published on 31.7.1979
Designation standards: BS 638-3:1979
Note: WITHDRAWN
Publication date standards: 31.7.1979
The number of pages: 15
Approximate weight : 45 g (0.10 lbs)
Country: British technical standard
Category: Technical standards BS