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Application filed by Horst Berthold, Gotthold May, Klaus Muenchow, Regina Sass, Joachim Scholz, Wolfgang Thierfelder, Harald WinterfiledCriticalHorst Berthold
Priority to DD19957677ApriorityCriticalpatent/DD131467B1/de
Publication of DD131467A1publicationCriticalpatent/DD131467A1/de
Publication of DD131467B1publicationCriticalpatent/DD131467B1/de