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Application filed by Manfred Raetzsch, Werner Organo, Manfred Gebauer, Hartmut Bucka, Evelyn Grotzsch, Thomas Bach, Peter SchindlerfiledCriticalManfred Raetzsch
Priority to DD20806178ApriorityCriticalpatent/DD138953A1/en
Publication of DD138953A1publicationCriticalpatent/DD138953A1/en