
Specification for approval testing of welders working to approved welding procedures. Fusion welding of steel.
NORMA vydána dne 1.6.1987
Designation standards: BS 4871-1:1982
Note: NEPLATNÁ
Publication date standards: 1.6.1987
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: British technical standard
Kategorie: Technické normy BS