| 摘要 |
PROBLEM TO BE SOLVED: To provide a magnetic tape cassette that malfunction can be reduced in the manufacturing process, since erroneous information is printed on cassette cases to result in that the productivity is lowered because their appearances are nearly the same even when they have tape reels different in recordable times. SOLUTION: The magnetic tape cassette displays prescribed information on the flange 11 of the tape reel 10, and the display can be visually recognized through the tape cassette.
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