4. Hydraulic and earth engineering
  5. Subterranean or submarine pipe or cable laying, retrieving,...
  6. Submerging, raising, or manipulating line of pipe or cable...

Frederick S. Ellers

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Materials delivery system for offshore terminal and the like

Fluent material handling – with receiver or receiver coacting mea – Processes – Battery grid pasting
Patent

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Pipe laying apparatus and method

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Submerging – raising – or manipulating line of pipe or cable...
Patent

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Profile ID: LFUS-PAI-P-487735

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