Specification for welding filters with switchable luminous transmittance and welding filters with dual luminous transmittance
NORM herausgegeben am 1.4.1994
Designation standards: ÖNORM EN 379
Note: UNGÜLTIG
Publication date standards: 1.4.1994
The number of pages: 17
Approximate weight : 51 g (0.11 lbs)
Country: Austrian technische Norm
Kategorie: Technische Normen ÖNORM