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 Mi O Z PromsvyazfiledCriticalMi O Z Promsvyaz
Priority to SU833668730ApriorityCriticalpatent/SU1157701A2/en
Application grantedgrantedCritical
Publication of SU1157701A2publicationCriticalpatent/SU1157701A2/en