| 摘要 |
PROBLEM TO BE SOLVED: To enable a thickness of a book and also vertical sizes of various books such as a pocket book, A5 or B6 and the like to be coped with by raising durability by paper made and with a hook-and-loop fastener and the like. SOLUTION: A book cover is so constituted as to be able to freely change a size by turning in a main body longitudinally and transversely by conforming the main body to the size of the book and by applying a magnet or the hook-and-loop fastener to the turn-in part. Then, a wide range of book sizes can be coped with by turning in the book conforming to the book size and by fixing the book with the fastener or the magnet. COPYRIGHT: (C)2004,JPO
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