Respiratory protective devices — Performance requirements — Part 7: Special application marine, mining, welding, and abrasive blasting - Filtering RPD and supplied breathable gas RPD
NORMA vydaná dňa 8.2.2021
Designation standards: ISO 17420-7:2021
Publication date standards: 8.2.2021
The number of pages: 30
Approximate weight : 90 g (0.20 lbs)
Country: International technical standard
Kategória: Technické normy ISO