
Specification for welding filters with switchable luminous transmittance and welding filters with dual luminous transmittance
NORM herausgegeben am 1.8.1998
Designation standards: ÖNORM EN 379/A1
Note: UNGÜLTIG
Publication date standards: 1.8.1998
The number of pages: 5
Approximate weight : 15 g (0.03 lbs)
Country: Austrian technische Norm
Kategorie: Technische Normen ÖNORM