DIN EN 60598-2-6/A1-1997 灯具.第2部分:特殊要求.第6节:白炽灯用带插入变压器或变流器的灯具
Luminaires - Part 2: Particular requirements; section 6: Luminaires with built-in transformers or converters for filament lamps (IEC 60598-2-6:1994/A1:1996); German version EN 60598-2-6/A1:1997