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 Міхайло Лейбович Вайсман, Тимофій Олександрович Ващук, Віктор Іванович Токаренко, Виктор Иванович ТокаренкоfiledCriticalМіхайло Лейбович Вайсман
Priority to UA94020548UpriorityCriticalpatent/UA54U/uk
Publication of UA54UpublicationCriticalpatent/UA54U/uk