4. Static molds
  5. Uniting preform with molding material
  6. Rail or railway type preform

Robert L. Bratchell

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Concrete sleeper mould

Static molds – Uniting preform with molding material – Rail or railway type preform
Patent

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Concrete sleeper with east-in insert cooperating with a fastener

Railways: surface track – Rail seats – With anchor in concrete
Patent

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Sleeper construction

Railways: surface track – Rail seats
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Profile ID: LFUS-PAI-P-11151

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