4. Railway switches and signals
  5. Fluid-motor actuation
  6. Electric control

James D. Braatz

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Hydraulic control and operation system for a railroad car...

Fluid-pressure and analogous brake systems – Load control – Railway vehicle
Reexamination Certificate

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Railroad track switch operator

Railway switches and signals – Fluid-motor actuation – Electric control
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2432368

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