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. Г. Трандин , В. П. Бураков, Крась одарский научно исследовательский ститут пнщсвонfiledCriticalГ. Г. Трандин , В. П. Бураков
Priority to SU1331939ApriorityCriticalpatent/SU309633A1/ru
Application grantedgrantedCritical
Publication of SU309633A1publicationCriticalpatent/SU309633A1/ru