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
Publication of SU409434A1publicationCriticalpatent/SU409434A1/ru
Application filed by С.М. АсатианиfiledCriticalС.М. Асатиани
Priority to SU146681ApriorityCriticalpatent/SU42485A1/en
Application grantedgrantedCritical
Publication of SU42485A1publicationCriticalpatent/SU42485A1/en