CT

Changfeng Tian

Overall (All Time): #2,585,399 of 4,157,543Top 65%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11659822 Energy-saving paddlewheel aerator Xuan Che, Xingguo LIU, Xiaolong Chen, Yin Zhou, Lin Zhu 2023-05-30