ONORM EN 437:2003被替代
Test Gases - Test Pressures - Appliance Categories
出版：Osterreichisches Normungsinstitut
专家解读视频
Specifies the test gases, test pressures and categories of appliances relative to the use of combustible gases of the first, second and third families. Also gives detailed definitions.
NBN EN 437:2003 - Identical
BS EN 437:2003+A1:2009 - Identical
NF EN 437:2003 - Identical
I.S. EN 437:2003 - Identical
UNI EN 437:2005 - Identical
NS EN 437:2003 - Identical
UNE EN 437:2003 - Identical
SS EN 437 Ed. 2 (2003) - Identical
DIN EN 437 (2003-09) - Identical
UNI EN 437:2009 - Identical
DIN EN 437 (1999-12) - Identical
SN EN 437:2003 - Identical
NEN EN 437:2003 - Identical
