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 Stepan V Konovalov, Viktor I Cygankov, Vladimir V Karcichin, Sergej S Konovalov, Rostislav V Blagorazumov, Jurij M JakovlevfiledCriticalStepan V Konovalov
Priority to CS846322ApriorityCriticalpatent/CS260977B1/en
Publication of CS632284A1publicationCriticalpatent/CS632284A1/en
Publication of CS260977B1publicationCriticalpatent/CS260977B1/en