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School/Department:机械与汽车工程学院

洪浩

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一种多组合钻头结构

Affilication of Author(s):机械与汽车工程学院
Patent Coverage:国内
Disigner of the Invention:叶盛,zhengjianxi,Huang weidong,赖章鹏
Type of Patent:实用新型
State of Patent:专利授权
Application Number:201921511357.0
Authorization number:第10736906
Number of Inventors:5
Service Invention or Not:no
Application Date:2019-09-11
Publication Date:2020-06-16
Authorization Date:2020-06-16