EN 402:1993 Respiratory Protective Devices for Escape - Self-Contained Open- Circuit Compressed Air Breathing Apparatus with Full Face Mask or Mouthpiece Assembly - Requirements, Testing, Marking
2003EN 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
1993EN 402:1993 Respiratory Protective Devices for Escape - Self-Contained Open- Circuit Compressed Air Breathing Apparatus with Full Face Mask or Mouthpiece Assembly - Requirements, Testing, Marking