GB/T 19212.27-2017
变压器、电抗器、电源装置及其组合的安全 第27部分:节能和其他目的用变压器和电源装置的特殊要求和试验
Safety of transformers,reactors,power supply units and combinations thereof—Part 27: Particular requirements and tests for transformers and power supply units all for saving energy and other purposes
GBT19212.27-2017, GB19212.27-2017