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Application filed by Guenther Essbach, Falko Foehringen, Werner Kochmann, Korthals Hans Peter, Kratochvil Hans Guenter, Hans Schilling, Siegfried Schumann, Kurt Trautner, Guenter VoitfiledCriticalGuenther Essbach
Publication of CS184419B1publicationCriticalpatent/CS184419B1/en