BS N 4:1974

Specification for full face mask assemblies for use in contaminated atmospheres.

STANDARD published on 28.2.1974

English -
electronic design (pdf) (33.30 USD)

The information about the standard:

Designation standards: BS N 4:1974
Note: WITHDRAWN
Publication date standards: 28.2.1974
The number of pages: 10
Approximate weight : 30 g (0.07 lbs)
Country: British technical standard
Category: Technical standards BS