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Easy to take ruler / ruler

Easy to take ruler
Easy to take ruler

We always encounter a small trouble about many articles for daily use.For example,when we use the ruler on the table,because the ruler and the table is difficule to fit the ruler to take up.By the side of the parallelogram shaped ruler of this design,after use press cailration for the dege ruler side tilt.This solves the problem of using a ruler on the desk is difficult to get.


Dalian Nationalities University

Dalian Minzu University
Dalian, China

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