Affilication of Author(s):机械工程学院
Disigner of the Invention:Li Jianfeng
Application Number:201710405223X
Number of Inventors:2
Service Invention or Not:no
Application Date:2017-05-31
sunjie
Professor
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Patents
一种带锥钻和锪窝断屑结构的叠层薄板制孔刀具
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