XZ

Xie Zhi-qiang

📍 Yumushan, CN: #1 of 1 inventorsTop 100%
Overall (All Time): #3,766,462 of 4,157,543Top 95%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5399015 Abrupt-reversal helical water-in-oil emulsification system Liu Erh 1995-03-21