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Priority to ES0010398UpriorityCriticalpatent/ES10398Y/en
Publication of ES10398UpublicationCriticalpatent/ES10398U/en
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Publication of ES10398YpublicationCriticalpatent/ES10398Y/en
A bushing for two-filament incandescent lamps with joined ends of the two filaments connected to the thread, free end of a filament that is brought to the central contact and free end of the other filament that is brought to an additional contact, characterized in that the contact additionally constructed as a flat ring disposed between the screw contact and the central contact, it has a laterally stamped flange which rests on almost its entire length on the annular surface and which, in the extension of the two lateral edges of this flange, is provided of incisions. (Machine-translation by Google Translate, not legally binding)
ES0010398U1943-09-101943-09-10
Cap for incandescent lamps with two filaments.
ExpiredES10398Y
(en)