ES112876A1 - Perfeccionamientos en los dispositivos electromagnéticos de lectura para los discos de fonógrafo o para otras aplicaciones.
- Google Patents
Perfeccionamientos en los dispositivos electromagnéticos de lectura para los discos de fonógrafo o para otras aplicaciones.
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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DIEUX JEAN
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DIEUX JEAN
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Priority to ES112876ApriorityCriticalpatent/ES112876A1/es
Publication of ES112876A1publicationCriticalpatent/ES112876A1/es
ES112876A1929-05-071929-05-07Perfeccionamientos en los dispositivos electromagnéticos de lectura para los discos de fonógrafo o para otras aplicaciones.
ExpiredES112876A1
(es)