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Yaojun Zhang

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Publication

Featured researches published by Yaojun Zhang.

Archive | 2011

Light pipe protective cap

Jinming Li; Xinlai Wang; Changjian Li; Guihe Wu; Yaojun Zhang; Wei Zhou

Archive | 2011

Outer-steel inner-plastic external thread protector

Jinming Li; Xinlai Wang; Zhangjian Li; Wei Zhou; Jinyu Zhang; Yaojun Zhang

Archive | 2010

External-steel internal-plastic internal-thread protector

Jinming Li; Xinlai Wang; Zhangjian Li; Wei Zhou; Jinyu Zhang; Yaojun Zhang

Archive | 2012

Inner-plug type protective cap for smooth pipe

Jinming Li; Xinlai Wang; Changjian Li; Yaojun Zhang; Wei Zhou; Mei Lu

Archive | 2012

Inner plug type steel pipe protection cap

Jinming Li; Xinlai Wang; Changjian Li; Yaojun Zhang; Wei Zhou; Mei Lu

Archive | 2012

Polished pipe protection cap with positioning end

Jinming Li; Xinlai Wang; Changjian Li; Yaojun Zhang; Wei Zhou; Mei Lu

Archive | 2012

Thread protector with detaching technique holes

Jinming Li; Xinlai Wang; Changjian Li; Yaojun Zhang; Wei Zhou; Mei Lu

Archive | 2011

Outer thread protector with steel exterior and plastic interior

Jinming Li; Xinlai Wang; Changjian Li; Wei Zhou; Jinyu Zhang; Yaojun Zhang

Archive | 2012

Threaded protector with demounting process holes

Jinming Li; Xinlai Wang; Changjian Li; Yaojun Zhang; Wei Zhou; Mei Lu

Archive | 2012

Thread protector with ledge

Jinming Li; Xinlai Wang; Changjian Li; Yaojun Zhang; Wei Zhou; Mei Lu

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Collaboration

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