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一种带有紧固螺纹的半空心自冲铆接螺钉及自冲铆设备和方法

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First Author:Liang Ying

Disigner of the Invention:代景超,daiminghua,huping,hanxiaoqiang

Affilication of Author(s):运载工程与力学学部

Application Number:CN108457954A

Authorization number:CN201810348196.1

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