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Application filed by Hermann Franke, Juergen Klempin, Richard Koehler, Guenter Schober, Eberhard Hoepfner, Felix Lippold, Karl BeckerfiledCriticalHermann Franke
Priority to DD19736377ApriorityCriticalpatent/DD132779B1/en
Publication of DD132779A1publicationCriticalpatent/DD132779A1/en
Publication of DD132779B1publicationCriticalpatent/DD132779B1/en