NBN EN 60375:2003现行
Conventions Concerning Electric And Magnetic Circuits
出版：Belgian Standards
专家解读视频
Lays down rules for signs and reference directions and reference polarities for electric currents and voltages in electric networks, as well as for the corresponding quantities in magnetic circuits.
UNE EN 60375:2004 - Identical
NF EN 60375:2004 - Identical
I.S. EN 60375:2003 - Identical
DIN EN 60375 (2004-04) - Identical
BS EN 60375:2003 - Identical
SS EN 60375 Ed. 1 (2004) - Identical
SN EN 60375:2003 - Identical
DIN EN 60375 : 2013 - Identical
I.S. EN 60375:2003 - Identical
DIN EN 60375 : 2013 - Identical
SN EN 60375 : 2003 - Identical
BS EN 60375 : 2003 - Identical
