4. Railway switches and signals
  5. Crossings, frogs, and mates
  6. Frogs

Alfred Kais

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Arrangement for controlled guidance of a wheel axle or of a bogi

Railway switches and signals – Switches – Point
Patent

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Bearing for a part of a railroad track

Railways: surface track – Rail seats – Cushions
Patent

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Cross frog

Railway switches and signals – Crossings – frogs – and mates – Details
Reexamination Certificate

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Device for locking a switch blade

Railway switches and signals – Switches – Point
Patent

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Device for locking a switch blade with a stock rail

Railway switches and signals – Switches – Point
Patent

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Profile ID: LFUS-PAI-P-532362

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