Compound diamond cutter,申请号GB19950001139-传众专利搜索

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发明名称	Compound diamond cutter
摘要
申请公布号	GB9501139(D0)	申请公布日期	1995.03.15
申请号	GB19950001139	申请日期	1995.01.20
申请人	SMITH INTERNATIONAL INC	发明人
分类号	E21B10/56;E21B10/567;E21B10/573	主分类号	E21B10/56
代理机构		代理人
主权项
地址

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