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ZANARDO
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ZANARDO
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Priority to ES339219ApriorityCriticalpatent/ES339219A1/es
Publication of ES339219A1publicationCriticalpatent/ES339219A1/es
Dispositivo para reducir o eliminar la influencia relativa de las partes de un cabezal magnetico multiple para grabar y reproducir una o mas grabaciones paralelas.
Perfeccionamientos en la construccion de interruptores aco-plados al brazo de pick-up de un reproductor sonoro de am- plificacion mecanica o electrica.