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 Е. Г. КабировfiledCriticalЕ. Г. Кабиров
Priority to SU752144048ApriorityCriticalpatent/SU676616A1/ru
Application grantedgrantedCritical
Publication of SU676616A1publicationCriticalpatent/SU676616A1/ru