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Individual
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Priority to ES92695UpriorityCriticalpatent/ES92695Y/es
Publication of ES92695UpublicationCriticalpatent/ES92695U/es
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Publication of ES92695YpublicationCriticalpatent/ES92695Y/es
Electroteléfono de juguete, caracterizado por constar de dos transductores electroacústicos conectados directamente entre sí, cada uno de los cuales se halla montado en una caja provista de dos aberturas una de ellas destinada a servir de auricular y dispuesta a uno de los lados del transductor, y la otra para actuar de boquilla microfónica, dispuesta al lado opuesto del mismo.
ES92695U1962-04-091962-04-09Electroteléfono de juguete
ExpiredES92695Y
(es)