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 Gottfried SchneiderfiledCriticalGottfried Schneider
Priority to DD20107477ApriorityCriticalpatent/DD133045A1/de
Publication of DD133045A1publicationCriticalpatent/DD133045A1/de