EP

Ernst Preuss

BG Bergwerksverband Gmbh: 1 patents #90 of 243Top 40%
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Patent #TitleCo-InventorsDate
4261832 Membranes with preselected pore types for separation processes Horst Schumacher, Harald Juntgen, Dieter Zundorf, Werner Hodek, Ingo Romey 1981-04-14