4. Railways: surface track
  5. Roadbed
  6. Continuous

John C. Lucas

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Concrete slab structure for railway track

Railways: surface track – Roadbed – Continuous
Patent

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Trip link latch and interpole link for a circuit breaker

Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Latching means
Patent

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Profile ID: LFUS-PAI-P-783765

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