BS EN 50402:2005+A1:2008被替代
Electrical apparatus for the detection and measurement of combustible or toxic gases or vapours or of oxygen. Requirements on the functional safety of fixed gas detection systems
出版：British Standards Institution
专家解读视频
© British Standards Institution 2013
Amendment notes:
Amendment, June 2009. Amends and replaces BS EN 50402:2005. Corrigendum, October 2010
DIN EN 50402 (2009-01) - Identical
SS EN 50402:2007 - Identical
DIN EN 50402 (2006-03) - Identical
NBN EN 50402:2006 - Identical
NF EN 50402:2005 - Identical
I.S. EN 50402:2005 - Identical
UNE EN 50402:2006 - Identical
NEN EN 50402:2005 - Identical
