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Liu Fanqing

Jilin, CN: #1 of 3 inventorsTop 35%
Overall (1989): #38,855 of 140,708Top 30%
1 Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4851136 Method of and apparatus for filtering a medium Li Junwen, Yao Jixian 1989-07-25

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