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大长径比弱刚性磨杆磨削短孔的加工方法

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First Author:zhuxianglong

Disigner of the Invention:Renke Kang,焦振华,Shang GAO,Dong Zhigang,张雪

Application Number:201910544023.1

Authorization Date:2019-06-21

Authorization number:ZL 201910544023.1

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