Respiratory protective devices - Self-contained open-circuit compressed air breathing apparatus with full face mask - Requirements, testing, marking
Edition 2007-05-23

Standard on Selection, Care, and Maintenance of Open-Circuit Self-Contained Breathing Apparatus (SCBA)
Edition 2019

Respiratory equipment - Open-circuit self-contained diving apparatus for use with compressed Nitrox and oxygen - Requirements, testing, marking
Edition 2003-10-17

Respiratory protective devices for use against chemical, biological, radiological and nuclear (CBRN) agents. Self-contained open-circuit compressed air breathing apparatus incorporating a hood for escape. Speci?cation
Edition 2020-08-24

Respiratory protective devices - Lung governed demand self-contained open-circuit compressed air breathing apparatus with full face mask or mouthpiece assembly for escape - Requirements, testing, marking
Edition 2004-01-30

Aerospace series - Elements of electrical and optical connection - Part 701: Electrical elements - Measurement of open circuit impedance of couplers. (Endorsed by AENOR in April of 2002.)
Edition 2002-04-01

Implants for surgery - Measurements of open-circuit potencial to assess corrosion behaviour of metallic - Implantable materials and medical devices over extended time periods
Edition 2008-11-03

Signs and luminous-discharge-tube installations operating from a no-load rated output voltage exceeding 1 kV but not exceeding 10 kV - Part 2: Requirements for earth-leakage and open-circuit protective devices
Edition 2006-09-13

Respiratory protective devices - Self-contained open circuit compressed air breathing apparatus - Specification
Edition 1996-09-30

Respiratory protective devices - Self-contained open-circuit compressed air breathing apparatus with full face mask - Requirements, testing, marking; German version EN 137:2006
Edition 2007-01