4. Elevator, industrial lift truck, or stationary lift for vehicle
  5. With monitoring, signalling, and indicating means
  6. Monitors operational parameter

John Ashton

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Elevator hatch door monitoring system

Elevator – industrial lift truck – or stationary lift for vehicle – With monitoring – signalling – and indicating means – Monitors operational parameter
Patent

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Opposed piston engines

Expansible chamber devices – Relatively movable working members – Interconnected with common rotatable shaft
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Profile ID: LFUS-PAI-P-827142

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