000 00264nam a2200073 4500
080 _a
_b
245 _aIEC: 50 (321) - 1986; International Electrotechnical vocabulary chapter 321: Instrumentation transformers
100 _aInternational Electrotechnical Commission
260 _aGeneva
_bIEC
_c1986
300 _aviii+14
999 _c38903
_d38903