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一种阶梯钻变径位置切削刃的断屑结构

Release Time:2019-09-16  Hits:

First Author: Fuji Wang

Disigner of the Invention: 王泽刚,吴晓君,葛恩德,贾振元,成德,赵猛

Application Number: CN201810984639.6

Authorization Date: 2018-08-28

Authorization Number: CN109128306A

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