
Specification for high efficiency dust respirators.
NORM herausgegeben am 17.3.1970
Designation standards: BS 4555:1970
Note: UNGÜLTIG
Publication date standards: 17.3.1970
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: British technical standard
Kategorie: Technische Normen BS