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Changchun Sun

UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #2,993,687 of 4,157,543Top 75%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9301673 Vaginal dilator for use in gynecologic examination Minglei Zhang, Lei Ge 2016-04-05