BS 7156-2:1990

Respiratory protective devices: threads for facepieces. Specification for centre thread connection.

NORMA vydána dne 28.9.1990

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The information about the standard:

Designation standards: BS 7156-2:1990
Note: NEPLATNÁ
Publication date standards: 28.9.1990
The number of pages: 10
Approximate weight : 30 g (0.07 lbs)
Country: British technical standard
Kategorie: Technické normy BS