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 Horst Spitzer, Volker Reintjes, Bernd Gassmann, Dietmar Kamm, Egon WagnerfiledCriticalHorst Spitzer
Priority to DD19734677ApriorityCriticalpatent/DD130020A1/de
Publication of DD130020A1publicationCriticalpatent/DD130020A1/de