Test method to measure the efficiency of air filtration media against spherical nanomaterials - Part 1: Size range from 20 nm to 500 nm (ISO 21083-1:2018)
NORMA vydaná dňa 18.11.2020
Designation standards: UNE-EN ISO 21083-1:2020
Publication date standards: 18.11.2020
The number of pages: 62
Approximate weight : 186 g (0.41 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE