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一种具有反向剪切微齿结构的聚晶金刚石钻头

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First Author:jia zhenyuan

Disigner of the Invention:白玉,Rao Fu,Ma Janwei,liuwei

Affilication of Author(s):机械工程学院

Application Number:CN106270664A

Authorization number:CN201610754152.X

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