DIN EN 60061-2-2011
灯头,灯座及检验其互换性和安全性的量规.第2部分:灯座(IEC 60061-2-1969 + 补充件A-1970 至 S-1997 + A18-1998 至 A40-2010 + A41-2010,修订版本).德文版本EN 60061-2-1993 + A1-1995 至 A7-1997 + A18-1998 至 A40-2010 + A41-2010
Lamp caps and holders together with gauges for the control of interchangeability and safety - Part 2: Lampholders (IEC 60061-2:1969 + supplements A:1970 to S:1997 + A18:1998 to A40:2010 + A41:2010, modified); German version EN 60061-2:1993 + A1:1995 to A7