
High efficiency air filters (HEPA and ULPA) - Part 1: Classification, performance testing, marking
NORM herausgegeben am 1.1.1999
Designation standards: ČSN EN 1822-1
Classification mark: 125002
Catalog number: 53335
Note: UNGÜLTIG
Publication date standards: 1.1.1999
Approximate weight : 84 g (0.19 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN