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R C A ESPANOLA S A
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R C A ESPANOLA S A
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Priority to ES87677UpriorityCriticalpatent/ES87677Y/es
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Publication of ES87677YpublicationCriticalpatent/ES87677Y/es
Holding Or Fastening Of Disk On Rotational Shaft
(AREA)
Abstract
Un disco fonográfico, caracterizado por que en torno de la parte central destinada a situar la etiqueta, tiene un nervio circunferencial saliente, provisto de asperizaciones y destinado a garantizar una buena adherencia entre los discos adyacentes durante el funcionamiento del tocadiscos.