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 Г.А. ТрухачевfiledCriticalГ.А. Трухачев
Priority to SU90051ApriorityCriticalpatent/SU30686A1/ru
Application grantedgrantedCritical
Publication of SU30686A1publicationCriticalpatent/SU30686A1/ru