DIN EN 60061-3-2009
灯头,灯座及检验其互换性和安全性的量规.第3部分:量规(IEC 60061-3:1969 + 增补A:970至U:1997 + A20:1998 至 A39:2009,已修改),德文版本 EN 60061-3:1993 + A1:1995 至 A7:1997 + A20:199
Lamp caps and holders together with gauges for the control of interchangeability and safety - Part 3: Gauges (IEC 60061-3:1969 + supplements A:1970 to U:1997 + A20:1998 to A39:2009, modified); German version EN 60061-3:1993 + A1:1995 to A7:1997 + A20:1998