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 Khersonsk Ind IfiledCriticalKhersonsk Ind I
Priority to SU904867867ApriorityCriticalpatent/RU1769997C/en
Application grantedgrantedCritical
Publication of RU1769997CpublicationCriticalpatent/RU1769997C/en