ZM

Zhenya Ma

NM National Institute Of Metrology: 1 patents #10 of 28Top 40%
Overall (All Time): #3,293,117 of 4,157,543Top 80%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7742244 Cylindrical model eye, cylindrical test device and the manufacturing method thereof Wenli Liu, Jianping Zhu, Baoyu Hong, Fei Li, Lei Yang 2010-06-22