Occupational safety standards system. Industrial filtering gaz masks and respirators. Nephelometric method for determination of all-service canisters penetration coefficient of oil mist
NORMA vydaná dňa 1.1.1976
Designation standards: GOST 12.4.156-75
Publication date standards: 1.1.1976
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: Russian technical standard
Kategória: Technické normy GOST
Implemented changes and corrections:
Amd. 11.80
Amd. 8.85
Amd. 9.90