4. Railways: surface track
  5. Ties
  6. Forms

Jurgen Frenzel

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Concrete cross sleeper system

Railways: surface track – Ties – Forms
Patent

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Method of manufacturing railway sleepers

Metal working – Method of mechanical manufacture – Assembling or joining
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Railway switch

Railways: surface track – Ties – Forms
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Profile ID: LFUS-PAI-P-881299

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