1988IEC 60542:1976/AMD1:1988 Application guide for on-load tap-changers; amendment No. 1 to publication 60542 (1976)
1976IEC 60542:1976 Application guide for on-load tap-changers
IEC 60542:1976 Application guide for on-load tap-changers was changed to IEC 60214-2:2004 Tap-changers Part 2: Application guide (Edition 1.0; Supersedes IEC 60542:1976 and its Amendement 1:1988).