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 Wasilij W Korschak, Jewgenija S Krongaus, Swetlana W Winogradowa, Jakow S Wygodski, Natalia M Kofman, Heinz Raubach, Horst Frommelt, Dieter Hein, Bernd FalkfiledCriticalWasilij W Korschak
Priority to DD19163676ApriorityCriticalpatent/DD138018A3/de
Publication of DD138018A3publicationCriticalpatent/DD138018A3/de