| 摘要 |
<p>The retaining device has a U-shaped cable duct (2) in which the cables (3) are extended. A lid (4) is provided for the closing or locking of the cable duct. The lid is pivoted at the cable duct through a joint element. The cable duct and the lid are made of concrete material. A receiving element is connected positively at the two opposite side walls of the cable duct. Independent claims are included for the following: (1) a device for laying of cable duct; and (2) a device for opening and closing of lid of cable duct.</p> |
