73153279
Dec 23, 1977
Jun 9, 1981
Railway Mounted Maintenance-Of-Way Machines-Namely, Ballast Maintenance Machines, Derricks, Tie Shear Machines, Tie Remover Machines, Tie Inserter Machines, Tie Bed Scarifier Machines, Tie Plug Inserter Machines, Tie Sprayer Machines, Tie Handler Machines, Spike Puller Machines, Spike Driver Machines, Spike Setter-Driver Machines, Rail Lifter Machines, Track Liner Machines, Rail Grinding Machines, and Weed Mower Machines
Machinery