DIN EN 60061-1 : 2018现行
Lamp caps and holders together with gauges for the control of interchangeability and safety - Part 1: Lamp caps (IEC 60061-1:1969 + supplements A:1970 to V:1997 + A21:1998 to A56:2017 + A56:2017/COR1:2017 + A57:2017, modified); German version EN 60061-1:19
出版：German Institute for Standardisation (Deutsches Institut für Normung)
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