С. М. Пол Н. П. Колесников А. Ф. Бударин А. С. Новиков С. М. Когарко
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 SU1696955ApriorityCriticalpatent/SU398310A1/ru
Application grantedgrantedCritical
Publication of SU398310A1publicationCriticalpatent/SU398310A1/ru