| 摘要 |
<p>In the ends of the bar-shaped elements (2) connection elements (4) can be inserted which have a pin (13) which engages in an opening (8) at the end of the tube. In this way each connection element (4) can also be dismantled from an already assembled structure. The bar-shaped elements (2) are interchangeable and the framework can be dismantled into individual components.</p> |
