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- automatic control of train traffic 1
- automatic control system 4
- automatic coupler 1
- automatic diagnostics 1
- automatic identification 4
- automatic identification systems 1
- automatic locomotive signaling 4
- automatic lubrication 1
- automatic measuring 1
- automatic phase switch (APS) 1
- automatic regulation 1
- automatic regulation system 5
- automatic speed control slide unhook 1
- automatic stabilization 1
- automatic system 3
- automatic train operation 1
- automatic warning system 2
- automation 26
- automation and communications 1
- automation of account and control 2