AK

Alexander Krupin

📍 Keila, EE: #5 of 9 inventorsTop 60%
Overall (All Time): #3,288,835 of 4,157,543Top 80%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7718147 Chemical beneficiation of raw material containing tantalum-niobium — 2010-05-18