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 Bernd SchliederfiledCriticalBernd Schlieder
Priority to DD20808578ApriorityCriticalpatent/DD138958A1/de
Publication of DD138958A1publicationCriticalpatent/DD138958A1/de