Particulate air filters for general ventilation. Determination of the filtration performance
NORM herausgegeben am 1.6.2004
Designation standards: STN EN 779
Classification mark: 125005
Catalog number: 92694
Note: UNGÜLTIG
Publication date standards: 1.6.2004
The number of pages: 60
Approximate weight : 180 g (0.40 lbs)
Country: Slovak technical standard
Kategorie: Technische Normen STN