4. Pipe joints or couplings
  5. With assembly means or feature
  6. With holding means functioning only during transportation...

Etsuji Kosaka

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Clamping device for underground pipes

Pipe joints or couplings – With assembly means or feature – With holding means functioning only during transportation...
Patent

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Lateral hole boring method and apparatus

Boring or penetrating the earth – Processes – Boring horizontal bores
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Profile ID: LFUS-PAI-P-1172731

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