
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 vydána dne 1.12.2010
Designation standards: GOST R 12.4.249-2009
Note: NEPLATNÁ
Publication date standards: 1.12.2010
The number of pages: 31
Approximate weight : 93 g (0.21 lbs)
Country: Russian technical standard
Kategorie: Technické normy GOST