Occupational safety standards system. Respiratory system protective devices. Self-contained closed-circuit breathing apparatus for escape with chemically bonded or compressed oxygen. Technical requirements. Testing methods. Marking. Sampling rules
NORMA vydána dne 1.6.2023
Designation standards: GOST R 12.4.220-2022
Note: NEPLATNÁ
Publication date standards: 1.6.2023
The number of pages: 42
Approximate weight : 126 g (0.28 lbs)
Country: Russian technical standard
Kategorie: Technické normy GOST