| 摘要 |
The device comprises an actuating element (20) with a rod (25) which rod can be inserted in openings (3, 4) in the elements (1, 2), and with a portion forming a head (21), the rod (25) exhibiting at least one first lateral recess (26) for the engagement of at least one element (15) for locking a retaining element (10), both the actuating element (20) and the retaining element (10) being able to be inserted, from the front face (5) of the first element (1), one after another or together into the openings (3, 4). The retaining element (10) together with the compressed expansion elements may be inserted into the openings (3, 4) and the expansion elements of the retaining element (10) may be moved apart beyond the section of the openings (3, 4). <IMAGE>
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