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Application filed by Manfred Klepel, Roswitha Toepfer, Alfred Jumar, Ralf Kleiner, Paul Held, Doerthe Creuzburg, Manfred Heinze, Guenther Lossner, Sieghard LangfiledCriticalManfred Klepel
Priority to DD20113677ApriorityCriticalpatent/DD136792A1/en
Publication of DD136792A1publicationCriticalpatent/DD136792A1/en