| 摘要 |
<p>The transparent cover is for the protection of school notebooks, forming a double pocket accommodating removable contents. It has a semi-rigid transparent surface, folded over in two places to give a pocket on each side of the axial portion accommodating the back of the book. The folded flaps can be welded or glued in placed, each with an insertion slot. The removable contents inserted in the pockets can be decorative on the outside and opaque on the inside. The cover forming the pocket can be detachable and usable as a document file as well as a book cover.</p> |
