Occupational safety standards system. Respiratory protective devices. Respiratory lung-governed protective device for escape with compressed air, half mask and positive pressure. Technical requirements. Test methods. Marking
NORMA vydána dne 1.12.2013
Designation standards: GOST R 12.4.277-2012
Publication date standards: 1.12.2013
The number of pages: 26
Approximate weight : 78 g (0.17 lbs)
Country: Russian technical standard
Kategorie: Technické normy GOST