| 摘要 |
Duct rod system to be pushed in a conduit (12) of a defined configuration for installing an elongated element in the conduit (12) and comprising at least one rod (2, 2a, 2b, 2c) having a flexible main body, characterized in that the flexible main body has a bending stiffness arrangement defined in relation to the defined configuration of the conduit (12) to permit a friction reduction of the flexible main body in the conduit (12). |
