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 М.И. БейлиновfiledCriticalМ.И. Бейлинов
Priority to SU6485ApriorityCriticalpatent/SU77896A1/en
Application grantedgrantedCritical
Publication of SU77896A1publicationCriticalpatent/SU77896A1/en