| 摘要 |
<p>The connecting piece has two connection sides (7, 8) that are standing vertically on top of one another, and exhibiting respective radius of a camber, where radius merge over a rectangular visible side (9) in a common elbow of the camber. The elbow is marked over a groove (10), and lies diagonally on the visible side. The camber extends over a base that remains constant in strength. A stiff frame is formed with the base.</p> |
