YQ

Yongan Qiu

📍 Huzhou City, CN: #89 of 181 inventorsTop 50%
Overall (All Time): #2,891,910 of 4,157,543Top 70%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9982657 Wind-directly-driven oil pumping machine — 2018-05-29