| 摘要 |
A connecting element includes a first leg, a second leg and a third leg that are connected to each other and are each disposed at an angle to each other. The first leg includes a first fastening section and the second leg includes a second fastening section. A bending edge is disposed between the first leg and the second leg. The first leg includes at least one supporting section adjacent to the first section in a direction parallel to the bending edge, with the supporting section being connected to the second leg. The second leg forms an extension part in the first direction that is adjacent to the second fastening section, has a free end and is longer than the first fastening section of the first leg. The third leg is connected to the first leg and to the second leg.
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