Particulate air filters for general ventilation. Determination of the filtration performance
NORMA vydána dne 1.10.2008
Designation standards: GOST R EN 779-2007
Note: NEPLATNÁ
Publication date standards: 1.10.2008
The number of pages: 51
Approximate weight : 153 g (0.34 lbs)
Country: Russian technical standard
Kategorie: Technické normy GOST