
Specification for approval testing of welders working to approved welding procedures. Arc welding of tube to tube-plate joints in metallic materials.
NORMA vydaná dňa 29.3.1985
Designation standards: BS 4871-3:1985
Note: NEPLATNÁ
Publication date standards: 29.3.1985
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: British technical standard
Kategória: Technické normy BS