DIN EN 400:1993 Respiratory protective devices for self-rescue – regeneration devices; Compressed oxygen self-rescuer DIN requirements, testing, labeling
2003DIN EN 13794:2003 Respiratory protective devices - Self-contained closed-circuit breathing apparatus for escape - Requirements, testing, marking; German version EN 13794:2002
1993DIN EN 400:1993 Respiratory protective devices for self-rescue – regeneration devices; Compressed oxygen self-rescuer DIN requirements, testing, labeling