
Air filters for general ventilation - Part 4: Conditioning method to determine the minimum fractional test efficiency (ISO 16890-4:2016)
NORM herausgegeben am 1.6.2017
Designation standards: STN EN ISO 16890-4
Classification mark: 125005
Catalog number: 124755
Note: UNGÜLTIG
Publication date standards: 1.6.2017
Approximate weight : 30 g (0.07 lbs)
Country: Slovak technical standard
Kategorie: Technische Normen STN