SN EN 50121-4:2006被替代
Railway Applications - Electromagnetic Compatibility - Part 4: Emission And Immunity Of The Signalling And Telecommunications Apparatus
出版：Swiss Standards
专家解读视频
Specifies signalling and telecommunication apparatus which is installed in the railway environment. Signalling and telecommunication apparatus mounted in vehicles is also covered by EN 50121-3-2.
SS EN 50121-4 Ed. 2 (2007) - Identical
NEN EN 50121-4:2006 - Identical
SS EN 50121-4 Ed. 1 (2000) - Identical
UNE EN 50121-4:2007 - Identical
I.S. EN 50121-4:2006 - Identical
NBN EN 50121-4:2007 - Identical
NF EN 50121-4:2006 - Identical
DIN EN 50121-4 (2007-07) - Identical
BS EN 50121-4:2006 - Identical
EN 50121-4:2016 - Identical
NF EN 50121-4:2015 - Identical
NEN EN 50121-4:2015 - Identical
NBN EN 50121-4:2015 - Identical
EN 50121-4:2015 - Identical
SS EN 50121-4 Ed. 4 (2017) - Identical
UNE EN 50121-4:2015 - Identical
BS EN 50121-4:2015 - Identical
BS EN 50121-4:2016 - Identical
NEN EN 50121-4:2016 - Identical
