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. К. НиколаевfiledCriticalМ. К. Николаев
Priority to SU1628058ApriorityCriticalpatent/SU422875A1/ru
Priority claimed from SU1628058Aexternal-prioritypatent/SU422875A1/ru
Application grantedgrantedCritical
Publication of SU422875A2publicationCriticalpatent/SU422875A2/ru
Publication of SU422875A1publicationCriticalpatent/SU422875A1/ru