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Publication of FR1072985ApublicationCriticalpatent/FR1072985A/en
G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
G11B17/02—Details
G11B17/022—Positioning or locking of single discs
FR1072985D1952-07-191953-03-16
Device for centering phonographic records on the turntable of record players or other similar devices
ExpiredFR1072985A
(en)