01067nam0-22003011i-450-99000046052040332120090402150149.0000046052FED01000046052(Aleph)000046052FED0100004605220020821d1981----km-y0itay50------baenga-------001yyIEEE stanndard definition for power switchgearan american national standardapproved august 29, 1980,sponsor switchgear committee of the IEEE power engineering society, amercian national standards instituteNew YorkIEEE©198156 p.ill.28 cmANSI/IEEE C37.100-1981 (revision of ANSI C37.100-1972)Ingegneria elettricaStandard621.3American National Standards Institute59933ITUNINARICAUNIMARCBK99000046052040332110 D II 335124 DEEDINELDINELIEEE stanndard definition for power switchgear334651UNINA