4. Tools
  5. Wrench, screwdriver, or driver therefor
  6. Handle clutched to head

Li Wan-Chuan

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Mechanism for changing direction of exerted force of wrench...

Tools – Wrench – screwdriver – or driver therefor – Handle clutched to head
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Ratchet wrench with rotating disc

Tools – Wrench – screwdriver – or driver therefor – Handle clutched to head
Reexamination Certificate

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Tang and ratchet wrench with rotating disc operated...

Tools – Wrench – screwdriver – or driver therefor – Handle clutched to head
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Wrench having a ratchet wheel

Tools – Wrench – screwdriver – or driver therefor – Handle clutched to head
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2824589

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