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 Ahlers Klaus Dieter, Dinse Hans Dieter, Dieter Kuprat, Ruediger Lietzmann, Juergen Roesner, Eberhard TucekfiledCriticalAhlers Klaus Dieter
Priority to DD20693178ApriorityCriticalpatent/DD138074A1/de
Publication of DD138074A1publicationCriticalpatent/DD138074A1/de