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PENCIL-PAPER is made up of a series of cells that are rolled by 120° fan-shaped papers.There is a layer of special reactant on the paper ,just like carbon paper.A different color will appear accurately on it where PENCIL-PAPER presses.When there is a phone call the user can note key words successfully by one hand.
ProductCreativeLab,BUPT
Beijing, China
Mei XiaoHan,Hu Jian,Wang Chao,Liu Chao,Yuan Yue,Yang Shuo,Zhang YuTing
