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 Eduard L Jagud, Nikolaj I Gorskov, Petr I BoljackinfiledCriticalEduard L Jagud
Priority to CS843143ApriorityCriticalpatent/CS314384A1/cs
Publication of CS314384A1publicationCriticalpatent/CS314384A1/cs