Particulate air filters for general ventilation - Determination of the filtration performance
NORM herausgegeben am 1.6.2003
Designation standards: ČSN EN 779
Classification mark: 125001
Catalog number: 66748
Note: UNGÜLTIG
Publication date standards: 1.6.2003
The number of pages: 76
Approximate weight : 228 g (0.50 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN