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Chinese Standard: GB/T 19212.7-2012

Safety of transformers,reactors,power supply units and similar products for supply voltages up to 1 100 V—Part 7:Particular requirements and test for safety isolating transformers and power supply units incorporating safety isolating transformers

IDT  IEC 61558-2-7:2007

全国小型电力变压器、电抗器、电源装置及类似产品标准化技术委员会(SAC/TC 418)

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