В. А. Перегудов Ю. Д. Халезов М. С. Цыпина В. С. Гуров
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 SU1601249ApriorityCriticalpatent/SU362500A1/ru
Application grantedgrantedCritical
Publication of SU362500A1publicationCriticalpatent/SU362500A1/ru