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 Bernd Lorenz, Horst DenkmannfiledCriticalBernd Lorenz
Priority to DD19945876ApriorityCriticalpatent/DD130410A3/en
Publication of DD130410A3publicationCriticalpatent/DD130410A3/en