Cryogenic vessels - Safety devices for protection against excessive pressure - Part 1: Safety valves for cryogenic service; German version EN 13648-1:2008— 16 стр.
Respiratory protective devices - Self-contained closed-circuit breathing apparatus for escape - Requirements, testing, marking; German version EN 13794:2002— 35 стр.
Respiratory protective devices - Self-contained closed-circuit breathing apparatus for escape - Requirements, testing, marking; German version EN 13794:2002— 35 стр.