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 Erich KleimonfiledCriticalErich Kleimon
Priority to DD19732677ApriorityCriticalpatent/DD129713A2/de
Publication of DD129713A2publicationCriticalpatent/DD129713A2/de