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 K B SalyutfiledCriticalK B Salyut
Priority to SU904883761ApriorityCriticalpatent/RU1833753C/en
Application grantedgrantedCritical
Publication of RU1833753CpublicationCriticalpatent/RU1833753C/en