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 Alexej S Siljajev, Vasilij I Ivinskij, Anatolij T Filjajev, Jurij J SarinfiledCriticalAlexej S Siljajev
Priority to CS857883ApriorityCriticalpatent/CS266381B1/en
Publication of CS788385A1publicationCriticalpatent/CS788385A1/en
Publication of CS266381B1publicationCriticalpatent/CS266381B1/en