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 Guenter Henze, Gerhard Kotte, Karlheinz Groebe, Dieter PapefiledCriticalGuenter Henze
Priority to DD20271177ApriorityCriticalpatent/DD134454A1/de
Publication of DD134454A1publicationCriticalpatent/DD134454A1/de