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Priority claimed from DD18832575Aexternal-prioritypatent/DD121953B1/de
Application filed by Konrad Bormann, Heinz Limmer, Manfred Gebauer, Kampmann Hans Juergen, Anneliese Gerstmeyer, Erika Onderka, Hiltrud TaeubertfiledCriticalKonrad Bormann
Priority to DD19695477ApriorityCriticalpatent/DD136151B2/de
Publication of DD136151A2publicationCriticalpatent/DD136151A2/de
Publication of DD136151B2publicationCriticalpatent/DD136151B2/de