| 摘要 |
<p>The sheathing for the advertising column has a closure in the manner of a sliding fastener or a stud fastener. The sheathing can consist of two or more circular sections arranged above one another. This type of fastening ensures that old advertisements stuck onto the column can be removed quickly and clearly. Hitherto, it has been difficult to detach them from the column because they adhere firmly to the column to make them durable against wetness and weather conditions. Brushes, spatulas and even blow-lamps are no longer needed.</p> |
