000 00241nam a2200073 4500
080 _a
_b
245 _aIEC: 60214-1 (Ed-1) - 2003-02; Tap-Changers Part1 - Performance requirements and test methods.
100 _aInternational Electrotechnical Commission
260 _bIEC
_c2003
300 _a119
999 _c37650
_d37650