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IBERICA DE COM SL Cia
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IBERICA DE COM SL Cia
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Priority to ES0210804ApriorityCriticalpatent/ES210804A2/es
Publication of ES210804A2publicationCriticalpatent/ES210804A2/es
Mejoras en un sistema de circuito con detector para alarma contra incendios caracterizado porque cada detector lleva acoplada una resistencia eléctrica de calefacción conectada con una fuente de energía eléctrica por intermedio de un medio de conexión normalmente abierto y cerrable a voluntad para la comprobación del funcionamiento del detector.
ES0210804A1953-09-081953-09-08Un sistema de circuito con detector para alarma de incendios
ExpiredES210804A2
(es)