Revised
It has the status of a horizontal standard in accordance with IEC Guide 108.
WITHDRAWN
IEC 60050-561:1991 ED1
99.60
Withdrawal effective
Nov 7, 2014
WITHDRAWN
IEC 60050-561:1991/AMD1:1995 ED1
WITHDRAWN
IEC 60050-561:1991/AMD2:1997 ED1
PUBLISHED
IEC 60050-561:2014 ED2