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 Werner Kochmann, Strauss Karl Hugo, Siegfried Lippert, Willi Sattelmayer, Siegfried ArnholdfiledCriticalWerner Kochmann
Priority to DD19642176ApriorityCriticalpatent/DD128880B1/de
Publication of DD128880A1publicationCriticalpatent/DD128880A1/de
Publication of DD128880B1publicationCriticalpatent/DD128880B1/de