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.В. ТалановfiledCriticalА.В. Таланов
Priority to SU31903ApriorityCriticalpatent/SU17733A1/en
Application grantedgrantedCritical
Publication of SU17733A1publicationCriticalpatent/SU17733A1/en