4. Excavating
  5. Beneath a body of water
  6. By use of submarine or undersea vessel

Rotech Holdings Limited

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Downhole tool

Boring or penetrating the earth – With self-acting cyclic advance and retraction of tool or...
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Power generator and turbine unit

Prime-mover dynamo plants – Fluid-current motors
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Speed governor

Rotary kinetic fluid motors or pumps – With control means responsive to non-cyclic condition... – By shaft speed or torque responsive means
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Turbine for down-hole drilling

Rotary kinetic fluid motors or pumps – Working fluid passage or distributing means associated with... – Nozzle discharging onto motor runner
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Underwater excavation apparatus

Excavating – Processes
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Profile ID: LFUS-PAI-P-2031347

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