基本内容 CWF灯管[1]为美国冷白光源(Cool White Fluorescent) 色温：4150K ,其型号如下:GE F20W/33-640 COOL WHITE Made in HungaryGE F40W/33-640 COOL WHITE Made in HungaryPHILIPS TL-D 18W/33-640 Made in PolandPHILIPS TL-D 30W/33-640 Made in PolandPHILIPS TL-D 36W/33-640 Made in PolandSYLVANIA F20T12/CW Cool White USASYLVANIA F20T12/CW Cool White CanadaSYLVANIA F20W/33-640/RS COOL WHITE Made in GermanySYLVANIA F40W/33-640/RS COOL WHITE Made in GermanySYLVANIA F30T8/CW Cool White Made in USAGE F36T12-CW COOL WHITE USA