
Respiratory protective devices - Particle filters - Requirements, testing, marking
NORMA vydaná dňa 7.9.2022
Designation standards: UNE-EN 143:2022
Publication date standards: 7.9.2022
The number of pages: 20
Approximate weight : 60 g (0.13 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE