XS

Xinli Shi

SG Shandong Lanbeisite Educational Equipment Group: 1 patents #10 of 27Top 40%
Overall (All Time): #2,753,209 of 4,157,543Top 70%
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Patent #TitleCo-InventorsDate
11137899 Liquid crystal writing film, partial erasing method, multi-voltage output circuit and positioning system capable of partial erasing Qingbo Li 2021-10-05