30.97 22 maj 2007
IEC
TC 57
International Standard
WITHDRAWN
IEC 61850-7-4:2003 ED1
ABANDON
IEC 61850-7-4/AMD1 ED1
30.97
End of interruption of work - split/merged
22 maj 2007
PUBLISHED
IEC 61850-7-4:2010 ED2