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Home › Inventors › Liangchun Zhong
LZ

Liangchun Zhong

Overall (All Time): #2,948,374 of 4,157,543Top 75%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9669651 Fully-automatic pencil sharpener Zhongmin Duan, Changhai Dai 2017-06-06

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