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PERWOLF FELIX
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PERWOLF FELIX
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Priority to ES0008660UpriorityCriticalpatent/ES8660Y/es
Publication of ES8660UpublicationCriticalpatent/ES8660U/es
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Publication of ES8660YpublicationCriticalpatent/ES8660Y/es
Un fichero con dispositivo selector de fichas según la patente número 160946, caracterizado por una plantilla en la cual las perforaciones de una hilera horizontal así como del campo de selección y de control, están unidas en sendas ranuras longitudinales (1) y las hileras verticales de las perforaciones están agrupadas en campos (2) de tanta extensión como lugares tiene la clave para el grupo a abarcar en cada caso.
ES0008660U1943-06-121943-06-12Fichero con dispositivo selector de fichas.
ExpiredES8660Y
(es)