
Specification for gas filters and combined filters used in respiratory protective equipment.
NORM herausgegeben am 31.5.1991
Designation standards: BS EN 141:1991
Note: UNGÜLTIG
Publication date standards: 31.5.1991
The number of pages: 14
Approximate weight : 42 g (0.09 lbs)
Country: British technical standard
Kategorie: Technische Normen BS