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 Volker Thielemann, Frank Zimmermann, Siegfried Pietsch, Gundolf Goebel, Sieglinde Jesse, Horst ReuschelfiledCriticalVolker Thielemann
Priority to DD20597078ApriorityCriticalpatent/DD137116A1/de
Publication of DD137116A1publicationCriticalpatent/DD137116A1/de