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Color-changeable Stapler / Product

Color-changeable Stapler
Color-changeable Stapler

Through upper scanning recognition window, The stapler will gain different colors of paper,and print different colors on the book nails.These special nails can make it invisible,and keep the appearance of paper nice.This product can help people enjoy better life.

University

Donghua University

Donghua University
Shanghai, China

Lin Tang,
Donghua University