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easy-piking ruler / ruler

easy-piking ruler
easy-piking ruler

In order to solve the proplem that the common ruler not easy to pick up on the table.we designed a double sided bevel ruler called "easy-picking" ruler.

University

Xiangtan University

Xiangtan University
Xiangtan, China

Yongjia Han,
Xiangtan University

Guangwen Ou,
Xiangtan University

Siyao Wu,
Xiangtan University

Xiaosong Cui,
Xiangtan University