| 摘要 |
A recording/reproducing cassette equipped with an identification substrate is formed by joining together substantially rectangular upper and lower shells, with the identification substrate being placed therebetween at an appropriate position, wherein there is provided a temporary engagement device for maintaining the upper and lower shells in the joined state. The temporary engagement device consists of ribs or grooves or a combination of ribs and grooves provided on the upper and lower shells and/or the identification substrate.
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