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Individual
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Individual
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Priority to ES0003603UpriorityCriticalpatent/ES3603U/en
Publication of ES3603UpublicationCriticalpatent/ES3603U/en
Electrical device for opening doors at a distance, characterized in that it consists of a simple electromagnet, whose iron core moves inside a magnetic induction spool, so that if this core is attached to the slip stem, it will be acted whenever the current is passed through the coil from a push-button located at a distance, which carries terminals for the power supply, and is protected by a perforated iron plate. (Machine-translation by Google Translate, not legally binding)
ES0003603U1935-04-091935-04-09Electric device to open doors remotely (Machine-translation by Google Translate, not legally binding)
PendingES3603U
(en)