GB/T 19212.4-2016

Safety of transformers, reactors, power supply units and combinations thereof—Part 4: Particular requirements and tests for ignition transformers for gas and oil burners

变压器、电抗器、电源装置及其组合的安全 第4部分：燃气和燃油燃烧器点火变压器的特殊要求和试验