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Application filed by Heinz Egler, Ruediger Hauptmann, Klaus Haeupke, Hans Reuter, Lothar Bilk, Justus Schwarz, Harry WalzfiledCriticalHeinz Egler
Priority to DD20023177ApriorityCriticalpatent/DD133231B1/en
Publication of DD133231A1publicationCriticalpatent/DD133231A1/en
Publication of DD133231B1publicationCriticalpatent/DD133231B1/en