Respiratory protective devices; self-contained open-circuit compressed air breathing apparatus; requirements, testing, marking; german version EN 137:1986— 10 стр.
Cryogenic vessels - Safety devices for protection against excessive pressure - Part 1: Safety valves for cryogenic service; German version EN 13648-1:2008— 16 стр.
Irrigation techniques - Irrigation hydrants; German version EN 14267:2004, Corrigendum to DIN EN 14267:2004-10; German version EN 14267:2004/AC:2008— 2 стр.
Respiratory protective devices; self-contained open-circuit compressed air breathing apparatus; requirements, testing, marking; German version EN 137:1993— 14 стр.
Respiratory protective devices; self-contained open-circuit compressed air breathing apparatus; requirements, testing, marking; German version EN 137:1993— 14 стр.