| 摘要 |
The marker has one or more indexes formed in a paper or cardboard support (1) also forming a base. The support is positioned in a book. The index tongue is then positioned between the two pages of the book to allow finding of the page after closing the book. There can be one or more index tongues formed by cutting out from the support. A pressure on one of the sides of the support allows extension of the tongue. There can be one or more tongues cut out on each side of the support.
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