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Sirkka L. Leppavuori

KO Kemira Oy: 1 patents #20 of 84Top 25%
📍 Helsinki, FI: #2,126 of 3,940 inventorsTop 55%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4737491 Wood preservative Lars Petander, Lauri J. Teivainen, Hakan E. Wikberg 1988-04-12