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.М. ГлуховfiledCriticalА.М. Глухов
Priority to SU8914ApriorityCriticalpatent/SU63438A1/ru
Application grantedgrantedCritical
Publication of SU63438A1publicationCriticalpatent/SU63438A1/ru