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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
FR1072985D1952-07-191953-03-16Dispositif de centrage de disques phonographiques sur le plateau de tourne-disques ou d'autres appareils du même genre
ExpiredFR1072985A
(fr)
Dispositif de centrage, de calage et d'entraînement des disques de phonographes sur le plateau de tourne-disques et d'autres appareils du même genre.
Dispositif assurant l'entraînement régulier des plateaux des appareils destinés à l'enregistrement et à la reproduction des disques phonographiques