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Individual
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Individual
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Priority to ES0061281UpriorityCriticalpatent/ES61281U/es
Publication of ES61281UpublicationCriticalpatent/ES61281U/es
Un interruptor de corriente eléctrica por tiempo determinado, caracterizado por estar constituido por dos recipientes unidos entre sí a modo de reloj de arena, existiendo incrustados contactos eléctricos opuestos en el fondo de ambos embudos, separados entre sí eléctricamente, y que pueden establecer contacto entre sí a través de la masa fluyente del reloj que a este efecto es una materia eléctricamente conductora adecuada sin limitación, pudiendo ser con preferencia mercurio.
ES0061281U1957-08-061957-08-06Un interruptor de corriente eléctrica por tiempo determinado
PendingES61281U
(es)