High efficiency air filters (EPA, HEPA and ULPA) - Part 4: Determining leakage of filter elements (scan method)
STANDARD published on 1.4.2010
Designation standards: ČSN EN 1822-4
Classification mark: 125002
Catalog number: 85637
Note: WITHDRAWN
Publication date standards: 1.4.2010
The number of pages: 48
Approximate weight : 144 g (0.32 lbs)
Country: Czech technical standard
Category: Technical standards ČSN