WD

Weilin Dai

ZC Zhenghai Group Co.: 1 patents #3 of 10Top 30%
Overall (All Time): #1,704,068 of 4,157,543Top 45%
2
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Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D1068013 Kid swim vest 2025-03-25
8082901 Diesel engine Hualiang Zhuang, Ronghua Yang, Ke'ai Qiu 2011-12-27