В. А. Мешков Г. Ф. Захарченко И. Л. Гейхман В. Н. Хорин Б. А. Караваев
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 SU1777401ApriorityCriticalpatent/SU395584A1/ru
Application grantedgrantedCritical
Publication of SU395584A1publicationCriticalpatent/SU395584A1/ru