000 00264nam a2200073 4500
080 _a
_b
245 _aIEC: 146 - 5 - 1988; Semiconductor Covertors Part 5 Switches for Uninterruptible Power Systems (UPS Switches)
700 _aInternational Electrotechnical Commission
260 _aGeneva
_bIEC
_c1988
300 _a45p
999 _c35937
_d35937