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 С.М. ТокмачевfiledCriticalС.М. Токмачев
Priority to SU3264ApriorityCriticalpatent/SU2436A1/ru
Application grantedgrantedCritical
Publication of SU2436A1publicationCriticalpatent/SU2436A1/ru