Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guenther Gelszinnus, Werner Hoffmann, Lothar Moerl, Lothar Krell, Kuenne Hans JoachimfiledCriticalGuenther Gelszinnus
Priority to DD23186981ApriorityCriticalpatent/DD206470A3/de
Priority to BG5687382Aprioritypatent/BG42869A1/xx
Priority to CS409782Aprioritypatent/CS251212B1/cs
Priority to HU225182Aprioritypatent/HU188184B/hu
Priority to RO108176Aprioritypatent/RO86477B/ro
Publication of DD206470A3publicationCriticalpatent/DD206470A3/de