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 SU1646176ApriorityCriticalpatent/SU416281A1/ru
Application grantedgrantedCritical
Publication of SU416281A1publicationCriticalpatent/SU416281A1/ru
Improvements in or relating to electric remote control systems, more particularly for use in controlling and supervising the apparatus at an electric power substation