NA 027
DIN Standards Committee Optics and Precision Mechanics
Standards
[CURRENT]
EN 148-3
EN 148-3
Respiratory protective devices - Threads for facepieces - Part 3: Thread connection M 45×3
Title (German)
Atemschutzgeräte - Gewinde für Atemanschlüsse - Teil 3: Gewindeanschluß M 45×3
Responsible national committee
NA 027-02-04 AA - Occupational respiratory protective devices