liuxilin1215 发表于 2014-5-22 11:45:30

IEC 60061-1-AMD 50-2014

本帖最后由 liuxilin1215 于 2014-5-23 06:33 编辑

IEC 60061-1-AMD 50-2014 Amendment 50 Lamp caps and holders together with gauges for the control of interchangeability and safety – Part 2: Lampholders
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