
Civil defense. Means of collective protection. Air regeneration facilities. General technical requirements. Test methods
NORMA vydána dne 1.6.2021
Designation standards: GOST R 42.4.04-2020
Publication date standards: 1.6.2021
The number of pages: 19
Approximate weight : 57 g (0.13 lbs)
Country: Russian technical standard
Kategorie: Technické normy GOST