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Application filed by Lothar Rauch, Karlheinz Tillack, Arnold WeisselbergfiledCriticalLothar Rauch
Priority to DD20228477ApriorityCriticalpatent/DD134207B1/de
Publication of DD134207A1publicationCriticalpatent/DD134207A1/de
Publication of DD134207B1publicationCriticalpatent/DD134207B1/de