DIN EN 60061-3:2014 燈頭、燈座及檢驗其互換性和安全性量規.第3部分:測量儀器.(IEC 60061-3-1969+補充件A-1970至U-1997+A20-1998 至A47-2013+A48-2014,修訂本).德文版本EN 60061-3-1993+A1-1995至A7-1997+A20-1998至A47-2013+A48-2014
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 A47:2013 + A48:2014, modified); German version EN 60061-3:1993 + A1:1995 to A7:1997