HL

Haijun Lao

📍 Guizhou, CN: #37 of 83 inventorsTop 45%
Overall (All Time): #2,543,197 of 4,157,543Top 65%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12134872 High-efficient swift stepless layering water taking gate device Xingen Wang, Zhenggang Zhan, Zaixing Zhao, Hezuo Zhang, Xianzhu Shen +7 more 2024-11-05