| 摘要 |
In a cassette accommodation case (1) having such a structure for laterally inserting a cassette in a sliding fashion for its accommodation from an inserting mouth portion (2) provided on its one side, a cassette can smoothly be inserted at a time without ascertaining the face direction of the case. To this end, concave grooves (3a) and (3b) are symmetrically provided on both the left and the right sides of a cassette inserting direction for escaping swelled portions of the cassette.
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