
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 to A39:2009
出版:German Institute for Standardisation (Deutsches Institut für Normung)

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