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Heinrich Dammann

PG Peroxid-Chemie Gmbh: 1 patents #22 of 51Top 45%
📍 Lengede, DE: #20 of 43 inventorsTop 50%
Overall (All Time): #3,991,215 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4572825 Process for bleaching natural chalk Werner Sebb 1986-02-25