XY

Xunqiang Yan

📍 Shenyang, CN: #226 of 496 inventorsTop 50%
Overall (All Time): #2,544,844 of 4,157,543Top 65%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12140013 Sealing quality detection device and sealing quality evaluating method for gas extraction boreholes Weiwei Su, Yujin Qin, Rui Zhou, Zhongyu Zheng, Jie Li +5 more 2024-11-12