GB 19212.10-2014 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
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