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 Kurt Madeja, Konrad Luehder, Wolfgang Jabs, Reinhard Harzer, Walter Pehl, Freimut Storz, Doris NehlsfiledCriticalKurt Madeja
Priority to DD20259977ApriorityCriticalpatent/DD134054A1/en
Publication of DD134054A1publicationCriticalpatent/DD134054A1/en