NS EN 437:2003现行
Test Gases - Test Pressures - Appliance Categories
出版：Norwegian Standards (Norges Standardiseringsforbund)
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.
2003 Edition Re-Issued in June 2009 & incorporates AMD 1 2009. (06/2009)
SS EN 437 Ed. 2 (2003) - Identical
UNE EN 437:2003 - Identical
UNI EN 437:2005 - Identical
I.S. EN 437:2003 - Identical
NBN EN 437:2003 - Identical
NF EN 437:2003 - Identical
BS EN 437:2003+A1:2009 - Identical
DIN EN 437 (1999-12) - Identical
ONORM EN 437:2003 - Identical
NEN EN 437:2003 - Identical
SN EN 437:2003 - Identical
UNI EN 437:2009 - Identical
DIN EN 437 (2003-09) - Identical
ONORM EN 437:2009 - Identical
