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 В.Н. Кудрявцев, вцев В.Н. КудрfiledCriticalВ.Н. Кудрявцев
Priority to SU26507ApriorityCriticalpatent/SU10163A1/en
Application grantedgrantedCritical
Publication of SU10163A1publicationCriticalpatent/SU10163A1/en