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Dongxu Bao

ZC Zhangyue Technology Co.: 1 patents #3 of 8Top 40%
Overall (2022): #471,982 of 548,613Top 90%
1
Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11262891 Method for e-note management of electronic books, and electronic device — 2022-03-01