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经营范围
发明名称
DRILL BIT WITH CUTTING INSERT
摘要
申请公布号
KR950009957(B1)
申请公布日期
1995.09.04
申请号
KR19880007306
申请日期
1988.06.17
申请人
DE BEERS IND. DIAMOND DIV., LTD.
发明人
DAVID WILLIAM JAMES;THEO AXEL NOTTER
分类号
B23P15/32;B23B51/00;B23B51/02;(IPC1-7):B23B51/02
主分类号
B23P15/32
代理机构
代理人
主权项
地址
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