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Communications Patents Ltd
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Communications Patents Ltd
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Priority to ES0333904ApriorityCriticalpatent/ES333904A3/es
Publication of ES333904A3publicationCriticalpatent/ES333904A3/es
Fernsprechvermittlungsanlage, an die für tonfrequente Tastwahl eingerichtete Teilnehmerapparate und Teilnehmerapparate mit Nummernschalter sowie für den Empfang von Tonfrequenzsignalen eingerichtete Datenempfänger angeschlossen sind
Un perfeccionamiento en el sistema de conexionado de estaciones receptoras de emisiones de televisión con respecto a una pluralidad de receptores-pantalla subsidiarios