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.Ф. МорозовfiledCriticalВ.Ф. Морозов
Priority to SU127297ApriorityCriticalpatent/SU35045A1/en
Application grantedgrantedCritical
Publication of SU35045A1publicationCriticalpatent/SU35045A1/en