
Low-voltage switchgear and control gear. Circuit-breakers
出版:British Standards Institution

专家解读视频
© British Standards Institution 2013
SS EN 60947-2 Ed. 4 (2006) - Identical
UNE EN 60947-2:2007 - Identical
NF EN 60947-2:2006 - Identical
I.S. EN 60947-2:2006 - Identical
NBN EN 60947-2:2007 - Identical
IEC 60947-2 Ed. 4.0 - Identical
SN EN 60947-2:2003 - Identical
DIN EN 60947-2 (2007-04) - Identical
EN 60947-2:2017 - Identical
DIN EN 60947-2:2014 - Identical