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 Reinhard Bachmann, Helmut Heinicke, Heinrich Haeder, Walter Steinke, Werner KochmannfiledCriticalReinhard Bachmann
Priority to DD19562676ApriorityCriticalpatent/DD128182A1/en
Publication of DD128182A1publicationCriticalpatent/DD128182A1/en