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Application filed by Volker Groebe, Dieter Bartsch, Gensrich Heinz Juergen, Juergen Ludwig, Frank Klemm, Heinz Buschatz, Werner Makschin, Eberhard Peter, Siegfried Hartig, Juergen Koehler, Mieck Klaus Peter, Rolf BarthelfiledCriticalVolker Groebe
Priority to DD20493978ApriorityCriticalpatent/DD135509A1/de
Publication of DD135509A1publicationCriticalpatent/DD135509A1/de