Civil defense. Engineering and technical equipment of civil defense protective structures. Cell filters for ventilation systems. General technical requirements. Test methods
STANDARD published on 1.10.2025
Designation standards: GOST 42.4.18-2025
Publication date standards: 1.10.2025
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: Russian technical standard
Category: Technical standards GOST