000 00243nam a2200073 4500
080 _a
_b
245 _aIEC: 427 - 1989; Synthetic testing of high-voltage alternating current circuit breakers
700 _aInternational Electrotechnical Commission
260 _aGeneva
_bIEC
_c1989
300 _a113p
999 _c35838
_d35838