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Application filed by Rudi Heinze, Rolf Roeder, Lothar Schubert, Harry WendtfiledCriticalRudi Heinze
Priority to DD20405378ApriorityCriticalpatent/DD134995B1/de
Publication of DD134995A1publicationCriticalpatent/DD134995A1/de
Publication of DD134995B1publicationCriticalpatent/DD134995B1/de