
High efficiency air filters (EPA, HEPA and ULPA). Determining the efficiency of filter elements.
NORMA vydána dne 31.1.2010
Designation standards: BS EN 1822-5:2009
Note: NEPLATNÁ
Publication date standards: 31.1.2010
The number of pages: 32
Approximate weight : 96 g (0.21 lbs)
Country: British technical standard
Kategorie: Technické normy BS