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 С.З. ВагушенкоfiledCriticalС.З. Вагушенко
Priority to SU137296ApriorityCriticalpatent/SU36269A1/en
Application grantedgrantedCritical
Publication of SU36269A1publicationCriticalpatent/SU36269A1/en