High efficiency air filters (EPA, HEPA and ULPA) - Part 1: Classification, performance testing, marking
NORMA vydána dne 2.6.2010
Designation standards: UNE-EN 1822-1:2010
Note: NEPLATNÁ
Publication date standards: 2.6.2010
The number of pages: 23
Approximate weight : 69 g (0.15 lbs)
Country: Spanish technical standard
Kategorie: Technické normy UNE