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 Б.Ф. Маликов, А.Г. МоскаленкоfiledCriticalБ.Ф. Маликов
Priority to SU380107ApriorityCriticalpatent/SU75392A1/en
Application grantedgrantedCritical
Publication of SU75392A1publicationCriticalpatent/SU75392A1/en