Patents
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,洪浩,zhengjianxi,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
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