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US2021046956A1
|
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Centering apparatus for hopper car doors
|
|
US2020340187A1
|
|
Track-lifting and ballast-spreading apparatus
|
|
US2020298893A1
|
|
Articulated rail-transport car
|
|
US2018134201A1
|
|
System and method for operating a ballast car hopper door
|
|
US2017096778A1
|
|
Autonomous ballast unloading consist
|
|
US2016193928A1
|
|
Backup power system for railroad power units
|
|
WO2016073749A1
|
|
Material transport and distribution consist with controlled gated hopper cars and conveyor systems
|
|
US2014297069A1
|
|
Automated track surveying and ballast replacement
|
|
US2014277863A1
|
|
System for monitoring movement of railroad track
|
|
MX365543B
|
|
Rail loading and unloading machine.
|
|
US2014251174A1
|
|
System for guiding rails on a rail train
|
|
US2013230212A1
|
|
Automated track surveying and ditching
|
|
MX2014004024A
|
|
Automated track surveying and ballast replacement.
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