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 Wenzel Bernd Dieter, Harry Foerster, Rudolf Pochert, Wilfried Kunack, Walter Lachner, Albrecht KruegerfiledCriticalWenzel Bernd Dieter
Priority to DD19893377ApriorityCriticalpatent/DD131218A1/de
Publication of DD131218A1publicationCriticalpatent/DD131218A1/de