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Application filed by Ulrich Droeschler, Klaus Kielhorn, Georg Knoechel, Guenter Koenitzer, Ullrich Riese, Rainer Schuch, Gernot SpaethefiledCriticalUlrich Droeschler
Priority to DD20315678ApriorityCriticalpatent/DD136254A1/de
Publication of DD136254A1publicationCriticalpatent/DD136254A1/de