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NUNEZ DE LAS CUEVAS RODOLFO
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NUNEZ DE LAS CUEVAS RODOLFO
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Application filed by NUNEZ DE LAS CUEVAS RODOLFOfiledCriticalNUNEZ DE LAS CUEVAS RODOLFO
Priority to ES0201599ApriorityCriticalpatent/ES201599A1/es
Publication of ES201599A1publicationCriticalpatent/ES201599A1/es
Perfeccionamientos en receptores de señales acústicas particularmente para vehículos por carretera caracterizándose porque dicho aparto se compone esencialmente de un receptor microfónico y de un relevador magnético pudiendo prescindir de amplificador y válvulas.
ES0201599A1952-01-251952-01-25PERFECCIONAMIENTOS EN RECEPTORES DE SENALES ACuSTICAS, PARTICULARMENTE PARA VEHiCULOS POR CARRETERA.
ExpiredES201599A1
(es)