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Trench telescopic / Wrench

Trench telescopic
Trench telescopic

Normal wrench can only tighten the nut corresponding models. The universal wrench can tighten all models nuts. Our design uses the structure of the paper cutter.
When you use it, people push the appropriate model according to the needs. When you screw other types of nuts, you can introduce other models.

University

Dalian Nationalities University

Dalian Nationalities University
Dalian, China

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University

Dalian Nationalities University

Dalian Nationalities University
Dalian, China

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Design

Dalian Nationalities University

Dalian Nationalities University
Dalian, China

Haifan Song; Xinrui Song;; Xuefei Liu; Di Fang

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