f20t12-cw-eco通用cwf对色灯管4150k光源
cwf灯管为美国冷白商店光源(cool white fluorescent) 色温：4150k ，美国客户常用；公司经销品牌有：飞利浦 pihlips，奇异ge，喜万年 sylvania等。
philips tl-d 18w/33-640 made in
poland
philips tl-d 30w/33-640 made in poland
philips tl-d 36w/33-640 made in poland
sylvania f20t12/cw cool white usa
sylvania f20t12/cw cool white canada
sylvania f20w/33-640/rs cool white made in germany
sylvania instant rapid start f20w/33-640/irs cool white
sylvania f40w/33-640/rs cool white made in germany
sylvania f30t8/cw cool white made in usa
ge f20w/33-640 cool white made in hungary
ge f40w/33-640 cool white made in hungary
ge f20t12-cw-eco 20w usa
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