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Houbao Qi

XC Xuzhou Heavy Machinery Co.: 1 patents #29 of 90Top 35%
Overall (All Time): #2,847,264 of 4,157,543Top 70%
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Patent #TitleCo-InventorsDate
10233060 Switching valve, switching hydraulic system and crane Zenghai Shan, Shouwei Wang, Yinmei Ren, Lei Zhao, Dong Wang 2019-03-19