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Application filed by Hermann Matschiner, Christine Bruening, Wolfgang Thiele, Werner Kochmann, Kurt Trautner, Hans Schilling, Holger Biering, Wolfgang GeidelfiledCriticalHermann Matschiner
Priority to DD78204867ApriorityCriticalpatent/DD135721A1/de
Publication of DD135721A1publicationCriticalpatent/DD135721A1/de