4. Tools
  5. Wrench, screwdriver, or driver therefor
  6. Machine

Shozo Matsumura

Inventor

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Inventor

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Bolt or nut tightening device

Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Tanning
Design Patent

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Bolt tightening device

Tools – Wrench – screwdriver – or driver therefor – Machine
Patent

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Bolt tightening device

Tools – Wrench – screwdriver – or driver therefor – Machine
Patent

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Bolt tightening device having auxiliary handle

Tools – Wrench – screwdriver – or driver therefor – Machine
Patent

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Device for tightening bolt and nut

Tools – Wrench – screwdriver – or driver therefor – Machine
Patent

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Profile ID: LFUS-PAI-P-159738

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