| 摘要 |
The invention concerns a book structure which includes, assembled under one cover, a certain number of bound pages, some of which at least include leaflets with the dimensions exceeding those of the cover, with the external part of each section glued to corresponding adjacent leaflets and having, relative to the reading direction, at least one vertical folding line coinciding with the straight line of the book back to define the adjacent surfaces, and at least a horizontal folding line for covering the external element of the overlap of the lower and/or upper part of the coverings surface of the book cover.
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