В. Д. Телушкин О. В. Верейнов Л. И. Вишн ков И. П. Бородачев
С. В. Здоренко
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 filedfiledCritical
Priority to SU1620618ApriorityCriticalpatent/SU389220A1/ru
Application grantedgrantedCritical
Publication of SU389220A1publicationCriticalpatent/SU389220A1/ru