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 Gamazov Aleksandr AfiledCriticalGamazov Aleksandr A
Priority to SU711642894ApriorityCriticalpatent/SU645691A1/en
Application grantedgrantedCritical
Publication of SU645691A1publicationCriticalpatent/SU645691A1/en