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Priority to JP18048382UpriorityCriticalpatent/JPS5984651U/ja
Publication of JPS5984651UpublicationCriticalpatent/JPS5984651U/ja
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Publication of JPS6331152Y2publicationCriticalpatent/JPS6331152Y2/ja
Information recording and reproducing apparatus including detection of whether an information recording medium has been normally loaded into the apparatus