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.Т. БогачевfiledCriticalА.Т. Богачев
Priority to SU41100ApriorityCriticalpatent/SU19245A1/ru
Application grantedgrantedCritical
Publication of SU19245A1publicationCriticalpatent/SU19245A1/ru