BS EN 402:2003
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
https://doi.org/10.3403/02817226 (published 28/05/2003)
BS EN 402:2003 is maintained by PH/4. This standard is available from the following sources:
Other historical versions of this standard document also exist:
- BS EN 402:1993 [current until 28/05/2003]