IEC 60682:1980 测量石英钨卤素灯夹点温度的标准方法 Standard method of measuring the pinch temperature of quartz-tungsten-halogen lamps 标准号:IEC 60682:1980 发布日期:1980-01-01
IEC 60682:1980
IEC 60682:1980 测量石英钨卤素灯夹点温度的标准方法 Standard method of measuring the pinch temperature of quartz-tungsten-halogen lamps 标准号:IEC 60682:1980 发布日期:1980-01-01
IEC 60682:1980