| 摘要 |
The pad is constituted basically by a plurality of consecutive pages joined together; the pages are flexible and are divided into a plurality of consecutive sections; the pages of each section have the same shape; the shape of a section is contained within the shape of the next section; the shapes of the sections are such as to give rise to a subject in relief when the pad is closed; the shape of the last section is such that, even alone, it enables the subject to be recognized; the pad is adapted for resting on the last page.
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