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Application filed by Iduna Zacharias, Lothar Beck, Horst Feicke, Manfred Parthey, Wolf Karl Heinz, Ilse Walther, Hartmut KunzefiledCriticalIduna Zacharias
Priority to DD20045677ApriorityCriticalpatent/DD133099B1/de
Publication of DD133099A1publicationCriticalpatent/DD133099A1/de
Publication of DD133099B1publicationCriticalpatent/DD133099B1/de