Respiratory protective devices: threads for facepieces. Specification for standard thread connection.
NORMA vydána dne 28.9.1990
Designation standards: BS 7156-1:1990
Note: NEPLATNÁ
Publication date standards: 28.9.1990
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: British technical standard
Kategorie: Technické normy BS