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)
NORM herausgegeben am 1.6.2019
Designation standards: STN EN ISO 21083-1
Classification mark: 125004
Catalog number: 128783
Publication date standards: 1.6.2019
Approximate weight : 54 g (0.12 lbs)
Country: Slovak technical standard
Kategorie: Technische Normen STN