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 Dieter Bartsch, Hicke Hans Georg, Dieter PaulfiledCriticalDieter Bartsch
Priority to DD19539576ApriorityCriticalpatent/DD131528B1/en
Publication of DD131528A1publicationCriticalpatent/DD131528A1/en
Publication of DD131528B1publicationCriticalpatent/DD131528B1/en