| 摘要 |
<p>PROBLEM TO BE SOLVED: To determine arbitrarily a cable take-out position by forming a drawing outlet at an arbitrary position. SOLUTION: A main part 2 which has a cylindrical shape consisting of circumferential walls, laid in a longitudinal direction; and a conductor 3 which is buried in the circumferential wall of the main part 2 in the longitudinal direction in order to detect the position of the main part 2, and buried in a slab from the surface of the slab; are provided.</p> |
