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 Д.М. ИцгалfiledCriticalД.М. Ицгал
Priority to SU130185ApriorityCriticalpatent/SU35083A1/ru
Application grantedgrantedCritical
Publication of SU35083A1publicationCriticalpatent/SU35083A1/ru