4. Cutlery
  5. Cutting tools
  6. Plural cooperating blades

Ernest P. Parra

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Method and apparatus for severing a tubular member

Hydraulic and earth engineering – Marine structure or fabrication thereof
Patent

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Tool for releasing a nut threaded onto a bolt

Cutlery – Cutting tools – Plural cooperating blades
Patent

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Tool for washing over, cutting and retrieving a portion of a pip

Wells – Means for perforating – weakening – bending or separating pipe... – Cutter rotates circumferentially of pipe
Patent

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Profile ID: LFUS-PAI-P-403225

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