OVE EN 60061-4:2019-09
Действует
Lamp caps and holders together with gauges for the control of interchangeability and safety -- Part 4: Guidelines and general information (IEC 60061-4:1990+ Ergänzungen A:1992, B:1994, C:1994, D:1995 + A5:1998 bis A16:2018, modifiziert) (english version)