
Surge Arresters - Part 4: Metal-oxide Surge Arresters Without Gaps For A.c. Systems
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
2010 [01/02/2010]2007 [01/04/2007]2005 [01/06/2005]1994 AMD 2 2003 [01/12/2003]1994 AMD 1 1999 [01/04/1999]1994 [01/05/1994]
AMD 2 supersedes DIN IEC 37-231-CDV. (12/2003) DRAFT 2013 issued in December 2013. (12/2013)
EN 60099-4:2014 - Identical
NBN EN 60099-4:2005 - Identical
BS EN 60099-4:2004+A2:2009 - Identical
UNE EN 60099-4:2005 - Identical
BS EN 60099-4:2014 - Identical
NF EN 60099-4:2015 - Identical
SS EN 60099-4 Ed. 2 (2004) - Identical
NBN EN 60099-4:2014 - Identical
SS EN 60099-4 Ed. 3 (2014) - Identical