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 Krueger, Jochen Pirner, Wolfgang Schuster, Bernhard Zinke, Horst LieskefiledCriticalBernd Krueger
Priority to DD20029577ApriorityCriticalpatent/DD137066A2/en
Publication of DD137066A2publicationCriticalpatent/DD137066A2/en