00869nam0-22002891i-450-99000046450040332120090902191702.0000046450FED01000046450(Aleph)000046450FED0100004645020020821f1966----km-y0itay50------baenga-------001yyProtective relays application guideStaffordEnglish electric company limited[1966?]313 p.ill.30 cmRelè elettrici protettivi621.317English Electric Company Limited :Meter Relay and Instrument Division432587ITUNINARICAUNIMARCBK99000046450040332110 D II 1364793DINELDINELProtective relays application guide335055UNINA