| 摘要 |
<p>The device secures documents in a round and flat-backed file, having a first part for fixing to the binder. A second has slots for flexible bars holding the documents in place. The first part (2) fits against the back of the file, and the second part (3) is joined to it along a line running across the back and is of hollow curved profile section (5) open towards the back. The slots (6) are formed in the second part near the line where it joins the first part. The section of the second part can be semi-circular.</p> |
