4. Pipe joints or couplings
  5. With assembly means or feature
  6. Thread-cutting means

Paul D. Martin

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Adapter for connecting a plastic pipe to a metal pipe

Pipe joints or couplings – With assembly means or feature – Thread-cutting means
Patent

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Combination bow sight

Geometrical instruments – Straight-line light ray type – Structurally installed
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Profile ID: LFUS-PAI-P-1128338

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