Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Klangfilm GmbH
Original Assignee
Klangfilm GmbH
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Filing date
Publication date
Application filed by Klangfilm GmbHfiledCriticalKlangfilm GmbH
Application grantedgrantedCritical
Publication of FR1032321ApublicationCriticalpatent/FR1032321A/fr
G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
FR1032321D1951-02-121951-02-12Procédé pour la fabrication de films pour prises de vues et pour enregistrements sonores magnétiques
ExpiredFR1032321A
(fr)