4. Chucks or sockets
  5. Socket type
  6. Self-grasping

Chen Yuehui

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Device for clamping drill pipe and the like in mouse hole pipe

Chucks or sockets – Socket type – Self-grasping
Patent

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Supercharged power tongs

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

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Profile ID: LFUS-PAI-P-881782

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