| 摘要 |
A connecting element (2) for joining at least two tubes (10) and/or sealing at least one tube end. The connecting element (2) can be joined to the corresponding tube (10) via a mortise and tenon joint (4, 6) or the like. The tenon (4) is preferably provided on the connecting element and the mortise (6) on the tube (10). The tube (10) is preferably hollow, at least in sections and at least in the area of the junction with the connecting element (2), and the connecting element (2) can be inserted into the tube (10).
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