00772nam0-22002891i-450-99000046211040332120070601123234.0000046211FED01000046211(Aleph)000046211FED0100004621120020821d1974----km-y0itay50------baengrusa-------001yyProtective relayingN. ChernobrovovMoscaMIRc1974775 p.ill.22 cmRelè protettivi621.317Chernobrovov,Nicolai VasilʹevichITUNINARICAUNIMARCBK99000046211040332110 D II 28611468DINELDINELProtective relaying334778UNINA