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Songquan Shi

📍 Shaoxing, CN: #2 of 10 inventorsTop 20%
Overall (2017): #238,058 of 506,227Top 50%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9737782 Racket-free tennis training device Fan Yang, Dong Xuan 2017-08-22