HB

Hans Brautigam

DE Degremont: 1 patents #41 of 128Top 35%
Overall (All Time): #3,853,351 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5124039 Process for biological treatment of dissolved nitrates — 1992-06-23