| 摘要 |
A notebook includes a cover member formed of flexible cardboard and having a medial flat spine and a pair of rectangular cover wing sections extending from the spine side edges. The body of the book includes several superimposed booklets with juxtaposed spines glued to the book spine, each of the booklets consisting of a stack of rectangular paper sheets joined along their medial longitudinal axis by a line of stitches. The sewn stack forming each booklet is folded along the longitudinal medial axis to form the respective booklet spine and the booklet pages.
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