| 摘要 |
System for the continuous reciprocal self-alignment of rails (12-112) on sleepers (11), which comprises pre-installed bolts (13) or like locking means in cooperation with a machine which lays, positions and secures the elements that clamp the rails, the rails (12-112) being reciprocally anchored and positioned and the sleepers (11) being then reciprocally positioned together with the rails (12-112). |
