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Zongfa Xie

SU Shandong University: 1 patents #1 of 25Top 4%
Overall (2018): #172,777 of 503,207Top 35%
1
Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9995188 Oil control device for fully variable hydraulic valve system of internal combustion engine 2018-06-12