Revised
It has the status of a horizontal standard in accordance with IEC Guide 108.
WITHDRAWN
IEC 60050-31:1959 ED2
WITHDRAWN
IEC 60050-821:1998 ED1
99.60
Withdrawal effective
Nov 20, 2017
PUBLISHED
IEC 60050-821:2017 ED2
International Electrotechnical Vocabulary (IEV) - Part 821: Signalling and security apparatus for railways
60.60 Standard published