Test method to measure the efficiency of air filtration media against spherical nanomaterials - Part 2: Size range from 3 nm to 30 nm (ISO/TS 21083-2:2019) (Endorsed by Asociación Espanola de Normalización in May of 2019.)
NORMA vydaná dňa 1.5.2019
Designation standards: UNE-CEN ISO/TS 21083-2:2019
Publication date standards: 1.5.2019
The number of pages: 63
Approximate weight : 189 g (0.42 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE