4. Excavating
  5. Peat excavators

Ernest W. Hill

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Mandrel for bending tubes

Metal deforming – Tool and/or tool holder – Including flexible or yieldable tool or support
Patent

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Multi-flex tube bending mandrel

Metal deforming – Tool and/or tool holder – Including flexible or yieldable tool or support
Patent

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Underwater dredging apparatus and cutter head therefor

Excavating – Peat excavators
Patent

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Profile ID: LFUS-PAI-P-367819

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