
Railway Applications - Fixed Installations - Electrical Safety, Earthing And The Return Circuit - Part 1: Protective Provisions Against Electric Shock
出版:Asociacion Espanola de Normalizacion

专家解读视频
2011 A4 2017 [03/05/2017]2011 A3 2017 [01/02/2017]2011 A2 2016 [13/04/2016]2011 CORR 2012 V2 [12/12/2012]2011 CORR 2012 [31/10/2012]2011 A1 2011 [02/11/2011]2011 [02/11/2011]1999 CORR 2008 [16/01/2008]1999 [30/09/1999]
1999 Edition along with its corrigendum is still active. (11/2011)
I.S. EN 50122-1:2011 - Identical
EN 50122-1:2011 - Identical
NEN EN 50122-1:2011 - Identical
SN EN 50122-1:2011 - Identical
DIN EN 50122-1 (2011-09) - Identical
NF EN 50122-1:2011 - Identical
NBN EN 50122-1:2011 - Identical
SS EN 50122-1:2011 - Identical
BS EN 50122-1:2011+A2:2016 - Identical
DIN EN 50122-1 (2016-10) - Identical
BS EN 50122-1:2011+A3:2016 - Identical
BS EN 50122-1:2011+A4:2017 - Identical
DIN EN 50122-1:2017 - Identical
NBN EN 50122-1 : 2011 AMD 2 2016 - Identical
SN EN 50122-1 : 2011 AMD 4 2017 - Identical
NF EN 50122-1 : 2011 AMD 4 2018 - Identical
NEN EN 50122-1 : 2011 AMD 4 2017 - Identical
I.S. EN 50122-1:2011 - Identical
DIN EN 50122-1 : 2017 - Identical