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Zhongxin Xiang

Haimen, CN: #1 of 1 inventorsTop 100%
Overall (2018): #173,545 of 503,207Top 35%
1 Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9903361 Derrick-type long-stroke hydraulic pumping unit — 2018-02-27

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