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45 degrees folder design / Folder

45 degrees folder design
45 degrees folder design

Folder of the rod is not convenient to insert in use.One end of the folder rod design into a 45 degree Angle,And turn right into rounded corners,This can effectively solve the problem of difficult to use,Get the very big enhancement, ease of use and more human.

University

liaoning shihua university

liaoning shihua university
fushun city, China

Xiaoli Wu,
liaoning shihua university

Zhaolong Liu,
liaoning shihua university

Honghe Gao,
liaoning shihua university

zhang yong,
liaoning shihua university