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 Ulrich Burth, Georg Brazda, Erich Becker, Lothar Adam, Guenter Motte, Lydia Hartung, Reinhard Haehnel, Joachim Pflaumbaum, Bernhard Schulz, Sieghard Lueck, Hubert Rattba, Rottkay Fritjoff Von, Lothar NeebfiledCriticalUlrich Burth
Priority to DD19789477ApriorityCriticalpatent/DD130427A1/en
Publication of DD130427A1publicationCriticalpatent/DD130427A1/en