Ю. М. Осецкий В. П. Семенец И. Окатий Б. Н. Значковский
Original Assignee
Авторы изобретени витель
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 Авторы изобретени вительfiledCriticalАвторы изобретени витель
Priority to SU1421862ApriorityCriticalpatent/SU364462A1/ru
Application grantedgrantedCritical
Publication of SU364462A1publicationCriticalpatent/SU364462A1/ru