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经营范围
发明名称
钻头
摘要
申请公布号
TWM499271
申请公布日期
2015.04.21
申请号
TW103220081
申请日期
2014.11.12
申请人
陈王振
发明人
陈王振
分类号
B23B51/02;B23B51/06
主分类号
B23B51/02
代理机构
代理人
黄静雯 台北市信义区基隆路1段149号6楼
主权项
一种钻头,包含:一本体,具有一头端及相对该头端设置之一尾端;一切削螺纹,系自该头端环设延伸至该尾端;一第一组排屑沟槽,系自该头端以部分覆盖该切削螺纹之方式,延伸至该尾端;以及一第二组排屑沟槽,系以部分覆盖该切削螺纹之一第二层或以下之方式,延伸至该尾端。
地址
台北市内湖区丽山街328巷5号3楼
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