4. Material or article handling
  5. Self-loading or unloading vehicles
  6. Conveyor

Richard P. Lehmann

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Bunker for tunnel boring

Material or article handling – Self-loading or unloading vehicles – Conveyor
Patent

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Centrifugal force material transfer apparatus

Conveyors: power-driven – Conveyor system having a gravity conveyor section – Gravity discharge material holder is source of supply,...
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Mine shaft guide system

Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Vertical
Patent

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Profile ID: LFUS-PAI-P-400070

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