| 摘要 |
PROBLEM TO BE SOLVED: To provide a systematic notebook capable of being used by standing on a desk or the like. SOLUTION: A holder 14 in which a book 51 is detachable is mounted perpendicularly to a backbone 13 at an inside of a rear cover 14 of a cover 11 in which a cover 12, the backbone 13 and the rear cover 14 are continuously provided. Engaging members 32A, 32B for constituting locking implements 31A, 31B are arranged at a rotary end side (the other end side) of a belt 21 continuously provided at the cover 14. Locking members 33A, 33B for constituting the implements 31A, 31B are arranged at an outside of the cover 12.
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