
Air filters for general ventilation. Part 4. Conditioning method to determine the minimum fractional test efficiency
STANDARD published on 1.1.2023
Designation standards: GOST R 70064.4-2022
Note: WITHDRAWN
Publication date standards: 1.1.2023
The number of pages: 20
Approximate weight : 60 g (0.13 lbs)
Country: Russian technical standard
Category: Technical standards GOST