DIN EN 13648-1:2009-02 Cryogenic vessels - Safety devices for protection against excessive pressure - Part 1: Safety valves for cryogenic service; German version EN 13648-1:2008
2009DIN EN 13648-1:2009-02 Cryogenic vessels - Safety devices for protection against excessive pressure - Part 1: Safety valves for cryogenic service; German version EN 13648-1:2008
2009DIN EN 13648-1:2009 Cryogenic vessels - Safety devices for protection against excessive pressure - Part 1: Safety valves for cryogenic service; English version of DIN EN 13648-1:2009-02