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Priority to JP4885775ApriorityCriticalpatent/JPS51123124A/ja
Publication of JPS51123124ApublicationCriticalpatent/JPS51123124A/ja
Publication of JPS579150B2publicationCriticalpatent/JPS579150B2/ja
G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
G11B23/02—Containers; Storing means both adapted to cooperate with the recording or reproducing means
G11B23/03—Containers for flat record carriers
G11B23/032—Containers for flat record carriers for rigid discs