Occupational safety standards system. Means for individual protection of breathing organs. Methods of testing all-service canisters protection time against noxious gaseous contaminants
STANDARD published on 1.1.1991
Designation standards: GOST 12.4.159-90
Publication date standards: 1.1.1991
The number of pages: 13
Approximate weight : 39 g (0.09 lbs)
Country: Russian technical standard
Category: Technical standards GOST