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Application filed by Baldur Ebert, Karlheinz Wiltzer, Hans Bruetting, Hans Richardt, Frank Riedel, Lothar Nagler, Schmalz Ernst Otto, Dieter KupratfiledCriticalBaldur Ebert
Priority to DD20056677ApriorityCriticalpatent/DD133681B1/de
Publication of DD133681A1publicationCriticalpatent/DD133681A1/de
Publication of DD133681B1publicationCriticalpatent/DD133681B1/de