变压器、电抗器、电源装置及其组合的安全 第10部分:Ⅲ类手提钨丝灯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 10: Particular requirements and tests for transformers and power supply units for class Ⅲ handlamps for tungsten filament lamps