000 00348nam a2200073 4500
080 _a
_b
245 _aIEC: 51 - 5 - 1985; Direct acting indicating analogue electrical measuring instruments and their accessories Part 5: Special requirements for phase meters, power factor meters and synchroscopes
700 _aInternational Electrotechnical Commission
260 _aGeneva
_bIEC
_c1985
300 _a19p
999 _c32991
_d32991