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 Dieter SchreyerfiledCriticalDieter Schreyer
Priority to DD20190677ApriorityCriticalpatent/DD133785A1/de
Publication of DD133785A1publicationCriticalpatent/DD133785A1/de