YF

Yayang Feng

📍 Xinxiang, CN: #17 of 61 inventorsTop 30%
Overall (All Time): #2,519,222 of 4,157,543Top 65%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12054901 Unpowered-filtering sewage cleaning device Peng Li, Qibiao Han, Jinshan Li, Hao Li, Yang Liu 2024-08-06