4. Pipe joints or couplings
  5. Nonmetal to metal
  6. Internal member

Tatsuya Machino

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Pipe-end-connecting joint

Pipe joints or couplings – Nonmetal to metal – Internal member
Reexamination Certificate

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Porous pipe and apparatus and method of producing the same

Hydraulic and earth engineering – Drainage or irrigation – Porous or apertured pipe – flume – or tileway
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2650283

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