High efficiency air filters (EPA, HEPA and ULPA). Testing flat sheet filter media.
NORMA vydána dne 31.12.2009
Designation standards: BS EN 1822-3:2009
Note: NEPLATNÁ
Publication date standards: 31.12.2009
The number of pages: 26
Approximate weight : 78 g (0.17 lbs)
Country: British technical standard
Kategorie: Technické normy BS