GP

Guenter Puppel

KG Krupp Koppers Gmbh: 1 patents #59 of 124Top 50%
Overall (All Time): #3,910,326 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4952750 Process for making p-xylene with a purity of at least 99.5% 1990-08-28