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 А.Г. БарановfiledCriticalА.Г. Баранов
Priority to SU24730ApriorityCriticalpatent/SU11992A1/en
Application grantedgrantedCritical
Publication of SU11992A1publicationCriticalpatent/SU11992A1/en