4. Excavating
  5. Rotary digger
  6. Endless conveyor

Unit Rig and Equipment Co.

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Excavating and pipeline installation system

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – By means advancing along terrain and guiding pipe or cable...
Patent

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Transverse oscillation for excavating and loading system

Excavating – Rotary digger – Endless conveyor
Patent

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Two wheel excavating and loading system

Excavating – Rotary digger – Endless conveyor
Patent

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