BS 4558:1970

Specification for positive pressure, powered dust respirators.

NORMA vydaná dňa 17.3.1970

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The information about the standard:

Designation standards: BS 4558:1970
Note: NEPLATNÁ
Publication date standards: 17.3.1970
The number of pages: 14
Approximate weight : 42 g (0.09 lbs)
Country: British technical standard
Kategória: Technické normy BS