4. Railway switches and signals
  5. Switches
  6. Tie bars

Al Forshaw

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Frog insert and assembly and method for making frog assembly

Metal working – Method of mechanical manufacture – Combined manufacture including applying or shaping of fluent...
Reexamination Certificate

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Hollow tie switch assembly

Railway switches and signals – Switches – Tie bars
Patent

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Profile ID: LFUS-PAI-P-380733

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