08/30189945 DC : 0被替代
BS EN 61558-2-12 - SAFETY OF TRANSFORMERS, REACTORS, POWER SUPPLY UNITS AND SIMILAR PRODUCTS FOR SUPPLY VOLTAGES UP TO 1100 V - PART 2-12: PARTICULAR REQUIREMENTS AND TESTS FOR CONSTANT VOLTAGE TRANSFORMERS AND POWER SUPPLY UNITS INCORPORATING CONSTANT VOL
出版：British Standards Institution
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