4. Railway switches and signals
  5. Cab signal or train control
  6. Motive-power control

Richard S. Klemanski

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Apparatus for dynamically adjusting size of an orifice to...

Measuring and testing – Volume or rate of flow – Using differential pressure
Reexamination Certificate

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Intra-train radio communication system

Railway switches and signals – Cab signal or train control – Motive-power control
Patent

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Profile ID: LFUS-PAI-P-1719899

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