Particulate air filters for general ventilation. Determination of the filtration performance.
NORM herausgegeben am 30.4.2012
Designation standards: BS EN 779:2012
Note: UNGÜLTIG
Publication date standards: 30.4.2012
The number of pages: 76
Approximate weight : 228 g (0.50 lbs)
Country: British technical standard
Kategorie: Technische Normen BS