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一种阶梯微齿双刃带钻锪一体钻头

Release Time:2022-10-19  Hits:

First Author: Fuji Wang

Disigner of the Invention: Rao Fu,贾振元,陈磊,成德,李汝鹏,葛恩德,王贤峰

Institution: 机械工程学院

Application Number: CN106624080A

Authorization Number: CN201611182140.0

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