QZ

Quanfa Zheng

📍 Xinxiang, CN: #17 of 61 inventorsTop 30%
Overall (All Time): #2,699,993 of 4,157,543Top 65%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11529652 Double vibration source square oscillating sieve — 2022-12-20