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 Д.В. ГоликовfiledCriticalД.В. Голиков
Priority to SU1062ApriorityCriticalpatent/SU73980A1/ru
Application grantedgrantedCritical
Publication of SU73980A1publicationCriticalpatent/SU73980A1/ru