GQ

Guozheng Quan

Overall (All Time): #2,533,513 of 4,157,543Top 65%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12104508 Large-size diesel exhaust valve and manufacturing method thereof Hong Lu, Weiwei DAI, Lihe Jiang, Xiaolin Zhang 2024-10-01