000 00273nam a2200073 4500
080 _a
_b
245 _aIEC: 517 - 1975 (Amendment No.2 - 1982); High-voltage metal-enclosed switchgear for rated voltages of 72.5kV and above
700 _aInternational Electrotechnical Commission
260 _aGeneva
_bIEC
_c1982
300 _a11p
999 _c31862
_d31862