4. Metal working
  5. Method of mechanical manufacture
  6. Assembling or joining

Finn G. Haugen

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Method and device for connecting end portions of two pipes

Metal working – Method of mechanical manufacture – Assembling or joining
Reexamination Certificate

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Method for connection of underwater pipelines and a tool for...

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

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Profile ID: LFUS-PAI-P-2631086

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