
Respiratory protective devices. Threads for facepieces. Standard thread connection.
STANDARD published on 14.1.2019
Designation standards: BS EN 148-1:2018
Publication date standards: 14.1.2019
The number of pages: 24
Approximate weight : 72 g (0.16 lbs)
Country: British technical standard
Category: Technical standards BS
ISBN: 978 0 580 96784 9 Status: Under Review