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WIDMER JEAN
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WIDMER JEAN
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Publication of ES246908A1publicationCriticalpatent/ES246908A1/es
Perfeccionamientos introducidos en los volantes para mecanismos de relojeríacaracterizados por el hecho de comprender el volantemontado sobre un eje de tipo conocidoun órgano de una sola pieza constituido por un anillo circular exterior que constituye el aro del volanteun anillo circular interior montado sobre una superficie del eje y un brazo elástico sujeto por sus extremos a cada uno de dichos anillos.
ES0246908A1958-02-031959-01-29PERFECCIONAMIENTOS INTRODUCIDOS EN LOS VOLANTES PARA MECANISMOS DE RELOJERiA
ExpiredES246908A1
(es)