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Hardmeyer Bresadola maximo
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Hardmeyer Bresadola maximo
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Application filed by Hardmeyer Bresadola maximofiledCriticalHardmeyer Bresadola maximo
Priority to ES1970157803UpriorityCriticalpatent/ES157803Y/es
Publication of ES157803UpublicationCriticalpatent/ES157803U/es
Application grantedgrantedCritical
Publication of ES157803YpublicationCriticalpatent/ES157803Y/es
Un aparato de alarma, portátil, caracterizado por .comportar un dispositivo sonoro de accionamiento eléctrico alimentado por pilas a través de dos circuitos eléctricos, uno de los cuales incluye un interruptor controlado por un tirador externo, cuya separación produce el disparo de una alarma, mientras que el segundo circuito lleva intercalado un interruptor controlado por un elemento bimetálico sensible a las variaciones de temperatura por incendio."
ES1970157803U1970-04-111970-04-11Un aparato de alarma, portatil.
ExpiredES157803Y
(es)