DIN Standards Committee Optics and Precision Mechanics
EN 138
Respiratory protective devices - Fresh air hose breathing apparatus for use with full face mask, half mask or mouthpiece assembly - Requirements, testing, marking
Atemschutzgeräte - Frischluft-Schlauchgeräte in Verbindung mit Vollmaske, Halbmaske oder Mundstückgarnitur - Anforderungen, Prüfung, Kennzeichnung
Responsible national committee
NA 027-02-04 AA - Occupational respiratory protective devices
Responsible european committee
CEN/TC 79/WG 6 - Supplied breathable gas Respiratory Protective Devices (RPD)