000 00329nam a2200085 4500
080 _a
_b
245 _aIEC: 60273-1990; Characteristics of indoor and outdoor post insulators for systems with nominal voltages greater than 1
100 _aInternational Electrotechnical Commission
250 _a3
260 _aGeneva
_bInternational Electrotechnical Commission
_c1990
300 _a52
999 _c39105
_d39105