Civil defense. Engineering and technical equipment of civil defense protective structures. Hermetic valves. General technical requirements. Test methods
STANDARD published on 1.10.2023
Designation standards: GOST R 42.4.11-2023
Note: WITHDRAWN
Publication date standards: 1.10.2023
The number of pages: 20
Approximate weight : 60 g (0.13 lbs)
Country: Russian technical standard
Category: Technical standards GOST