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Individual
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Individual
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Priority to ES200301779UpriorityCriticalpatent/ES1055352Y/es
Publication of ES1055352UpublicationCriticalpatent/ES1055352U/es
Application grantedgrantedCritical
Publication of ES1055352YpublicationCriticalpatent/ES1055352Y/es
1. Entrada-billete perfeccionado, apto para validar el acceso a cualquier evento deportivo, cultural o de otro tipo y a cualquier medio de transporte, caracterizada porque presenta un cuerpo (1) de planta redondeada, con un orificio central (2) en torno al cual se graban por una cara (3) de forma digital diversas pistas con datos capaces de reproducirse por un lector CD-ROM o DVD convencional, mientras que por la otra cara (4) presenta una impresión serigráfica o magnética convencional apta para la validación de la entrada o billete.
Aufzeichnungsmedium mit datenstruktur zur verwaltung der wiedergabe von darauf aufgezeichneten datenströmen und aufzeichungs- und wiedergabeverfahren und -vorrichtungen
Magnetic head with high reliability of the data protection, magnetic disk apparatus including the magnetic head and the method of recording information on the magnetic disk apparatus without miserasin