HH

Helga Hoffmann

SC Sigma-Aldrich Co.: 1 patents #81 of 187Top 45%
📍 Wunstorf, DE: #71 of 138 inventorsTop 55%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6946298 Karl fischer reagent Katrin Schöffski 2005-09-20