| 摘要 |
The document box-file can be secured in place by rails fixed to a wall, and has at the top a fixing device engaging behind a Z-section rail, while at the bottom it rests on the horizontal portion of another rail parallel to the first. The fixing device engaging behind the downwards-extending flange of the Z-section rail (9), and which is integral with the box-file, formed from a single sheet, comprises a lip consisting of two folded layers, and integral with the back portion (3) of the box-file. |
