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 Karlheinz MorgensternfiledCriticalKarlheinz Morgenstern
Priority to DD20337478ApriorityCriticalpatent/DD134754A1/de
Publication of DD134754A1publicationCriticalpatent/DD134754A1/de