| 摘要 |
The panel 2 comprises two adjustable screws 13, 14 with vertical component and in opposite directions, interacting respectively with two support surfaces 7, 8 which are inclined and reversed. The screws 13, 14 bear on the face 7, 8 of the support surfaces turned towards the structure 1. The screws 13, 14 and the support surfaces 7, 8 are hidden in a recess 11, 12 in the inner face of the panel 2. The screws 13, 14 are in the vicinity of the upper edge 9 and lower edge 10 of the panel 2 and are accessible by virtue of a hole 17, 18 passing through the wall of the recess. <IMAGE>
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