EN 61558-2-14 : 2013现行
SAFETY OF TRANSFORMERS, REACTORS, POWER SUPPLY UNITS AND COMBINATION THEREOF - PART 2-14: PARTICULAR REQUIREMENTS AND TESTS FOR VARIABLE TRANSFORMERS AND POWER SUPPLY UNITS INCORPORATING VARIABLE TRANSFORMERS (IEC 61558-2-14:2012)
出版：European Committee for Standards - Electrical
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