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.М. ПавловfiledCriticalВ.М. Павлов
Priority to SU164572ApriorityCriticalpatent/SU44445A1/ru
Application grantedgrantedCritical
Publication of SU44445A1publicationCriticalpatent/SU44445A1/ru