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 Herrmann,Karl,DdfiledCriticalHerrmann,Karl,Dd
Priority to DD20129477ApriorityCriticalpatent/DD133482A1/en
Publication of DD133482A1publicationCriticalpatent/DD133482A1/en