JP

John W. Van Put

NS N.V. Union Miniere S.A.: 1 patents #5 of 17Top 30%
Overall (All Time): #3,638,941 of 4,157,543Top 90%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5858315 Process for the extraction of zinc from sulphide concentrates Francois M. I. G. Terwinghe, Thierry S. A. De Nys 1999-01-12