4. Railways: surface track
  5. Ties
  6. Cross section

Alan Briggs

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Crosspoint switch protection using additional switching...

Optical waveguides – With optical coupler – Switch
Reexamination Certificate

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Method for making thermal insulating, fire resistant material

Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – Shaping against forming surface
Patent

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Unitary steel railroad tie

Railways: surface track – Ties – Cross section
Patent

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Profile ID: LFUS-PAI-P-1066817

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