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.А. ГординfiledCriticalВ.А. Гордин
Priority to SU11472ApriorityCriticalpatent/SU5726A1/en
Application grantedgrantedCritical
Publication of SU5726A1publicationCriticalpatent/SU5726A1/en