
Respiratory protective devices. Threads for facepieces. Standard thread connection
STANDARD published on 1.10.1997
Designation standards: STN EN 148-1+AC1+AC
Classification mark: 832281
Catalog number: 70689
Note: WITHDRAWN
Publication date standards: 1.10.1997
Approximate weight : 21 g (0.05 lbs)
Country: Slovak technical standard
Category: Technical standards STN