| 摘要 |
The present invention relates to a portable bookshelf and, more particularly, to a portable bookshelf that: is capable of being used interchangeably as a ruler for measuring length and a bookshelf for holding books upright; can easily be reduced in volume so as to facilitate carrying and storage; and also enables the spaces between partitions to be adjusted according to the thickness or the number of volumes of books stored on the bookshelf. |
