Cutter element and drill bit,申请号GB20040002108-传众专利搜索

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发明名称	Cutter element and drill bit
摘要
申请公布号	GB0402108(D0)	申请公布日期	2004.03.03
申请号	GB20040002108	申请日期	2004.01.30
申请人	SMITH INTERNATIONAL INC	发明人
分类号	E21B10/16;E21B10/52	主分类号	E21B10/16
代理机构		代理人
主权项
地址

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