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 О.Ф. КаплюрfiledCriticalО.Ф. Каплюр
Priority to SU225ApriorityCriticalpatent/SU75629A1/en
Application grantedgrantedCritical
Publication of SU75629A1publicationCriticalpatent/SU75629A1/en