| 摘要 |
PROBLEM TO BE SOLVED: To provide a disk housing case by which an user can easily know capacity capable of recording of a WO disk and can simply confirm residual capacity capable of recording or the like. SOLUTION: This housing case houses a WO disk-shaped medium D, a case main surface facing a recording surface 5 of the disk-shaped medium is transparent or translucent and a measure C6 displaying recording capacity of the recording surface is provided on the case main surface.
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