000 00318nam a2200085 4500
080 _a
_b
245 _aIEC: 62770(Ed-1.0)-2013-11; Fluids for electrotechnical applications - unused natural esters for transformers and similar electrical equipment
100 _ainternational Electrotechnical Commission
250 _a1.0
260 _aGeneva
_bIEC
_c2013
300 _a34+4
999 _c40530
_d40530