| 摘要 |
<p>The device (1) has crosspieces (3) to connect posts (2), and a fitting unit arranged between support shelves (4) and the crosspieces. The fitting unit has slits arranged in an edge of each shelf. The fitting unit has a bend formed on each crosspiece permitting formation of a double wall. The bend of the crosspieces cooperates with the slits arranged in the shelves permitting reception of an edge of the shelves in the double wall of the crosspiece.</p> |
