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 В.Я. БродовfiledCriticalВ.Я. Бродов
Priority to SU3637184/06ApriorityCriticalpatent/RU1139286C/ru
Priority claimed from SU3637184/06Aexternal-prioritypatent/RU1139286C/ru
Application grantedgrantedCritical
Publication of SU1139286A2publicationCriticalpatent/SU1139286A2/ru
Publication of RU1139286CpublicationCriticalpatent/RU1139286C/ru