High efficiency air filters EPA, HEPA and ULPA. Part 1. Classification, performance testing, marking
NORM herausgegeben am 1.12.2011
Designation standards: GOST R EN 1822-1-2010
Publication date standards: 1.12.2011
The number of pages: 20
Approximate weight : 60 g (0.13 lbs)
Country: Russian technical standard
Kategorie: Technische Normen GOST