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 Elke Bossin, Eduard Brand, Manfred Holtz, Horst Klinkmann, Wolfgang Nierenz, Dieter Paul, Ingrid Schurr, Hans H SchwarzfiledCriticalElke Bossin
Priority to DD20488178ApriorityCriticalpatent/DD137786A3/de
Publication of DD137786A3publicationCriticalpatent/DD137786A3/de