IEC 60061/FRAG23 ED3

IEC 60061: Lamp caps and holders together with gauges for the control of interchangeability and safety - Amendment 44 to IEC 60061-1, Ed.3: Lamp caps Amendment 41 to IEC 60061-2, Ed.3: Lampholders Amendment 42 to IEC 60061-3, Ed.3: Gauges Amendment 13 to IEC 60061-4, Ed.1: Guidelines and general information