| 摘要 |
The device has a body (1) provided with constant thickness, having a flat part (2) extending to a level of a front end in a curved descending part (3). A fixation unit of the body fixes the body on a longitudinal wire and a transverse wire of a cable trough. The curved part is broader than the flat part that is formed on opposite sides (31) of the curved part. Partial openings (7) are respectively arranged under a plane defined by the flat part, where the partial openings are arranged in a symmetrical form.
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