High efficiency air filters EPA, HEPA and ULPA. Part 1. Classification, performance testing, marking
STANDARD published on 1.12.2011
Designation standards: GOST R EN 1822-1-2010
Note: WITHDRAWN
Publication date standards: 1.12.2011
The number of pages: 20
Approximate weight : 60 g (0.13 lbs)
Country: Russian technical standard
Category: Technical standards GOST