4. Hydraulic and earth engineering
  5. Subterranean or submarine pipe or cable laying, retrieving,...

Ronald H. Hall

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Adjustable blade holder

Excavating – Ditcher – Wheel excavator
Patent

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Buried cable removal apparatus

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,...
Patent

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Isolation mount

Earth working – With drive means for tool or cleaner – Vibrating tool
Reexamination Certificate

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Method of effecting accelerated oxidation reaction

Liquid purification or separation – Processes – Including geographic feature
Patent

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Process for mitigating scale formation in tube reaction apparatu

Liquid purification or separation – Processes – Preventing – decreasing – or delaying precipitation,...
Patent

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Profile ID: LFUS-PAI-P-251384

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