Occupational safety standards system. Respirators ShB-1`Lepestok`. Specifications
STANDARD published on 1.7.1977
Designation standards: GOST 12.4.028-76
Publication date standards: 1.7.1977
The number of pages: 15
Approximate weight : 45 g (0.10 lbs)
Country: Russian technical standard
Category: Technical standards GOST
Implemented changes and corrections:
Amd. 11.82
Amd. 10.89