000 00241nam a2200085 4500
080 _a
_b
245 _aIEC: 551 - 1995;Determination of transformer and reactor sound levels
100 _aINTERNATIONAL ELECTROTECHNICAL COMMISSION
250 _a2
260 _aGENEVA
_bIEC
_c1995
300 _a41
999 _c36169
_d36169