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H01K1/42—Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp
H01K1/46—Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp supported by a separate part, e.g. base, cap
FR665481D1928-09-291928-12-10
Advanced base for incandescent electric lamp
ExpiredFR665481A
(en)