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

Societe Nationale ELF Aquitaine (Prod.)

Corporate Assignee

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Annular seal and method of use

Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent

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Collar forming machine for submerged pipelines

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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Restoration of drilling mud-pits

Plant husbandry – Process
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Profile ID: LFUS-PAI-P-236861

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