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. Н. МорозовfiledCriticalА. Н. Морозов
Priority to SU1843057ApriorityCriticalpatent/SU428871A1/ru
Priority claimed from SU1843057Aexternal-prioritypatent/SU428871A1/ru
Application grantedgrantedCritical
Publication of SU428871A2publicationCriticalpatent/SU428871A2/ru
Publication of SU428871A1publicationCriticalpatent/SU428871A1/ru