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Individual
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Individual
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Priority to ES0231875ApriorityCriticalpatent/ES231875A2/es
Publication of ES231875A2publicationCriticalpatent/ES231875A2/es
Mejoras en el objeto de la patente principal nº 228.634, por un aparato perfeccionado para accionamiento de persianas, caracterizada esencialmente por el hecho de que el grupo de maniobra comprende una transmisión en reducción integrada por una rueda helicoidal calada en el eje del tambor o en eje paralelo y un mando constituido por un husillo sin fin de característica adecuada para hacer irreversible la citada reducción.
ES0231875A1956-11-121956-11-12Un aparato perfeccionado para accionamiento de persianas arrollables
ExpiredES231875A2
(es)