DIN EN 437 (2009-09)现行
Test gases - Test pressures - Appliance categories (includes Amendment A1:2009)
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
DRAFT 2017 issued in February 2017. (02/2017)
NEN EN 437:2003 - Identical
BS EN 437:2003+A1:2009 - Identical
NBN EN 437:2003 - Identical
SN EN 437:2003 - Identical
UNE EN 437:2003 - Identical
UNI EN 437:2009 - Identical
NF EN 437:2003 - Identical
