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SA Societe Nationale Elf Aquitaine: 1 patents #176 of 490Top 40%
📍 Chilly-Mazarin, FR: #49 of 77 inventorsTop 65%
Overall (All Time): #4,042,807 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4478071 Viscosimeter operating continuously especially at high temperature James Lesec, Roland Prechner 1984-10-23