4. Pipe joints or couplings
  5. Particular interface
  6. Tapered

Miyuki Yamamoto

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High strength steel pipe for an air bag

Metal treatment – Stock – Ferrous
Reexamination Certificate

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High strength steel pipe for an air bag and a process for...

Metal treatment – Stock – Ferrous
Reexamination Certificate

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Threaded connection for oil country tubular goods and its...

Pipe joints or couplings – Particular interface – Tapered
Reexamination Certificate

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Threaded connection tubular goods

Pipe joints or couplings – Particular interface – Tapered
Patent

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Threaded joint for oil well pipes

Pipe joints or couplings – Particular interface – Tapered
Patent

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Profile ID: LFUS-PAI-P-574847

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