| 摘要 |
<p>The filing folder can be made up from a single flat blank. It has a rectangular base (1) with two sides (4,6) and two ends (3,5) formed by narrow strips around the rectangle. A lid (2) is attached to one end (5) and a pocket is formed by a flap (31) attached to the other end (3). This flap has two tongues (7) projecting from each end which, after bending at right angles, are inserted in two slots.</p> |
