DIN EN 50402 (2009-01)現行
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：Verband Deutscher Elektrotechniker
專家解讀視頻
2009 [01/01/2009]2006 [01/03/2006]DRAFT 2003 [01/04/2003]
DRAFT 2015 issued in December 2015. (12/2015)
NEN EN 50402:2017 - Identical
VDE 0400-70:2006 - Identical
EN 50402:2017 - Identical
BS EN 50402:2017 - Identical
UNE EN 50402:2006 - Identical
NEN EN 50402:2005 - Identical
I.S. EN 50402:2005 - Identical
NF EN 50402:2005 - Identical
NF EN 50402:2017 - Identical
SS EN 50402:2007 - Identical
BS EN 50402:2005+A1:2008 - Identical
NBN EN 50402:2006 - Identical
