发明授权
US4127070A Apparatus for removing ties under railroad track 失效
用于在铁轨下移除关节的装置

Apparatus for removing ties under railroad track
摘要:
This is an apparatus for removing ties from under railroad track and is specifically concerned with removing ties in one piece and involves removing the high wood from the ties in the area between the rails of the track and on one end thereof so that the tie may be pulled or pushed out the other way.
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