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 Н.Л. МинервинfiledCriticalН.Л. Минервин
Priority to SU94124ApriorityCriticalpatent/SU29355A1/ru
Application grantedgrantedCritical
Publication of SU29355A1publicationCriticalpatent/SU29355A1/ru