UNE-EN 61558-2-9:2012 Safety of transformers, reactors, power supply units and combinations thereof -- Part 2-9: Particular requirements and tests for transformers and power supply units for class III handlamps for tungsten filament lamps
2012UNE-EN 61558-2-9:2012 Safety of transformers, reactors, power supply units and combinations thereof -- Part 2-9: Particular requirements and tests for transformers and power supply units for class III handlamps for tungsten filament lamps