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Zhongda Chen — 1 Patent in 2021

Overall (2021): #190,192 of 548,734Top 35%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D931255 Earphone Chunyan Zhang, Yongguo Wu, Wei Li 2021-09-21

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