Safety devices against flashback, backflow and afterflow for gas welding equipment; requirements, testing and marking of conformity; repeating operation test
NORM herausgegeben am 1.2.1985
Designation standards: ÖNORM M7850
Note: UNGÜLTIG
Publication date standards: 1.2.1985
The number of pages: 13
Approximate weight : 39 g (0.09 lbs)
Country: Austrian technische Norm
Kategorie: Technische Normen ÖNORM