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经营范围
发明名称
Drill bit
摘要
申请公布号
KR100626941(B1)
申请公布日期
2006.09.20
申请号
KR20057007309
申请日期
2005.04.27
申请人
发明人
分类号
B23B51/00;B23B51/02
主分类号
B23B51/00
代理机构
代理人
主权项
地址
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