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. АнкудиновfiledCriticalВ.А. Анкудинов
Priority to SU10543ApriorityCriticalpatent/SU4982A1/en
Application grantedgrantedCritical
Publication of SU4982A1publicationCriticalpatent/SU4982A1/en