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 Peter Dr Ing FroschfiledCriticalPeter Dr Ing Frosch
Priority to DD11815266ApriorityCriticalpatent/DD58644A3/de
Publication of DD58644A3publicationCriticalpatent/DD58644A3/de