| 摘要 |
<p>The device (1) has two longitudinal units (3) defining a plane, and a set of movement elements (12), where each movement element has a side edge (16), front edge (17) and a rear edge. The movement elements are provided in an integral manner with the two longitudinal units. The movement elements are secured to one another by the front edge and the rear edge that are provided face-to-face and spaced apart from each other. An independent claim is also included for a method for manufacturing a device for access to heights.</p> |
