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Priority to JP16189085UpriorityCriticalpatent/JPS6269888U/ja
Publication of JPS6269888UpublicationCriticalpatent/JPS6269888U/ja
Procede destine a empecher l'utilisation non autorisee d'un support d'enregistrement magnetique, unite de lecture/ecriture magnetique utilisee dans le procede
Procede destine a empecher l'utilisation non autorisee d'un support d'enregistrement magnetique, unite de lecture/ecriture magnetique utilisee dans le procede
