| 摘要 |
PROBLEM TO BE SOLVED: To provide a tape cassette wherein variance in the flatness of a cassette shell can be suppressed without generating any gaps in a connection part between upper and lower shells 5 and 6, and the cassette shell can be stably conveyed before connection by screws. SOLUTION: An engaging hole 65 and an engaging projection 66 which engage with each other when the upper and lower shells 5 and 6 are connected, are respectively provided in the upper and lower shells 5 and 6.
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