The regulations for authoritative examinations of welders
NORM herausgegeben am 18.7.1975
Designation standards: ČSN 050710
Classification mark: 050710
Catalog number: 6547
Note: UNGÜLTIG
Publication date standards: 18.7.1975
The number of pages: 40
Approximate weight : 120 g (0.26 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN