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Xiangke Shan

SC Shenzhen Grandsun Electronic Co.: 1 patents #42 of 75Top 60%
Overall (All Time): #2,823,763 of 4,157,543Top 70%
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Patent #TitleCo-InventorsDate
D900057 Headphone Haiquan Wu, Zhonghui Tang, Jiugao Peng, Ruiwen Shi 2020-10-27