Head assembly for dental contra-angle hand-piece and dental contra-angle hand-piece

Assignee

• Guilin Woodpecker Medical Instrument Co.

Inventors

• Xunxian Wu (7 patents)
• Kunyou Wu (2 patents)
• Rongqing Qin (1 patents)
• Shiyou Bin (1 patents)
• Benqin ZHANG (1 patents)
• Jianhua Lin (1 patents)
• Sheng Sun (1 patents)
• Fengwen WEI (2 patents)

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