4. Railways: surface track
  5. Roadbed
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Elastic mat for a ballast bed underlayment

Railways: surface track – Roadbed
Patent

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Elastic plate for level rail crossings

Railways: surface track – Roadbed – Street crossing
Patent

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Embedded railway track system

Railways: surface track – Roadbed – Street crossing
Patent

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Embedded railway track system

Railways: surface track – Roadbed
Patent

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Embedded track assembly

Railways: surface track – Roadbed – Street crossing
Patent

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