GL

Gerd Lumbeck

DR Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler: 1 patents #70 of 180Top 40%
Overall (All Time): #4,091,956 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4274883 Aqueous dispersion of a hydrophobic silica Horst Ferch 1981-06-23