| 摘要 |
The present invention relates to a spine device. The spine device includes a first sheet (21, 31), a second sheet (25, 35, 45) extending from an edge of the first sheet (21, 31), and plural spine sections (3, 431, 432) disposed on the edge, characterized in that when the first sheet (21, 31) and the second sheet (25, 35, 45) are directed to face with each other, each of the spine section (3, 431, 432) forms a specific area on the edge. <IMAGE>
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