Li Jianfeng   

Title:Professor
Supervisor of Doctorate Candidates
Supervisor of Master's Candidates

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Language：English

Patents

Title : 一种变螺旋槽双锥角叠层结构制孔一体化刀具

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Title:一种变螺旋槽双锥角叠层结构制孔一体化刀具

Affilication of Author(s):机械工程学院

Patent Applicant:sunjie,Li Jianfeng

Type of Patent:实用新型

Application Number:2017203417167

Number of Inventors:2

Service Invention or Not:no

Application Date:2017-04-01

Publication Date:2017-12-05

Authorization Date:2017-12-05

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