Occupational safety standards system. Individual protective respiratory devices. Compressed oxygen or compressed oxygen-nitrogen type self-contained clos-circuit breathing apparatus. General technical requirements. Test methods. Marking
NORMA vydaná dňa 1.6.2014
Designation standards: GOST 12.4.249-2013
Publication date standards: 1.6.2014
The number of pages: 33
Approximate weight : 99 g (0.22 lbs)
Country: Russian technical standard
Kategória: Technické normy GOST
Implemented changes and corrections:
Amd. 6.19