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超薄卡片名片型放大鏡-新一代超人氣競選小物
什麼? 放大鏡 也能是超夯超人氣的競選禮贈品、競選小物? 俞泰公司專業生產客制化的 超薄名片放大鏡 有著信用卡尺寸大小，可附卡套及客制化候選人印刷，放在口袋及錢包夾層方便攜帶。當您看不清小字價標或成分表，隨時可以拿出來放大看得一清二楚。 美國參眾議員的選舉(也是川普的...
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1. Fresnel lens controllableangle of light output is strong Fresnel lens can control direction of light more accurate than tradit... -
MAGNIFYING GLASS INVENTION https://etay.en.taiwantrade.com/product/business-card-magnifier-3x-for-reading-small-print-1488215.html I... -
F resnel lens is a kind of widely used optical element. Its design and manufacture are designed into several technical fields, including op...
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