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Manli HE

BC Beijing Sevenstar Flow Co.: 1 patents #4 of 14Top 30%
Overall (All Time): #2,652,553 of 4,157,543Top 65%
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Patent #TitleCo-InventorsDate
11320055 Gas flow regulating device and mass flow controller Jingqing Du, Qianyi SU 2022-05-03