4. Tool driving or impacting
  5. Impacting devices
  6. Selective axial direction of impact

Songnian Wang

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Small diameter impact boring tool

Tool driving or impacting – Impacting devices – Selective axial direction of impact
Patent

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Small diameter impact boring tool

Tool driving or impacting – Impacting devices – Selective axial direction of impact
Patent

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Small diameter impact boring tool impact head

Boring or penetrating the earth – Boring without earth removal
Patent

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Profile ID: LFUS-PAI-P-155513

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