Particulate air filters for general ventilation - Determination of the filtration performance
STANDARD published on 3.10.2003
Designation standards: UNE-EN 779:2003
Note: WITHDRAWN
Publication date standards: 3.10.2003
The number of pages: 74
Approximate weight : 222 g (0.49 lbs)
Country: Spanish technical standard
Category: Technical standards UNE