IEC 60615:1978

Terminology for microwave apparatus

IEC 60624:1978

Expression of the performance of pulse generators

IEC 60618:1978

Inductive voltage dividers

IEC 60564:1977

D.C. bridges for measuring resistance

IEC 60258:1968/AMD1:1976

Amendment 1 - Direct acting recording electrical measuring instruments and their accessories

IEC 60523:1975

Direct-current potentiometers

IEC 60524:1975

Direct-current resistive volt ratio boxes

IEC 60428:1973

Standard cells

IEC 60258:1968

Direct acting recording electrical measuring instruments and their accessories