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Priority claimed from FR8002848Aexternal-prioritypatent/FR2475667A1/fr
Priority claimed from FR8010506Aexternal-prioritypatent/FR2482352A1/fr
Application filed by Martinesco D MfiledCriticalMartinesco D M
Priority claimed from PCT/FR1981/000011external-prioritypatent/WO1981002356A1/fr
Publication of ATA901381ApublicationCriticalpatent/ATA901381A/de
Dispositif de reduction d'un mouvement circulaire, et cassette a bande magnetique comprenant ce dispositif pour l'affichage d'une longueur deroulee de bande