Examination of steel welders; plumber-pipe welders
NORM herausgegeben am 1.5.1976
Designation standards: ÖNORM M7807
Note: UNGÜLTIG
Publication date standards: 1.5.1976
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: Austrian technische Norm
Kategorie: Technische Normen ÖNORM