Cutter element adapted to withstand tensile stress,申请号GB19980026997-传众专利搜索

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发明名称	Cutter element adapted to withstand tensile stress
摘要
申请公布号	GB2330605(B)	申请公布日期	2000.08.16
申请号	GB19980026997	申请日期	1997.06.20
申请人	* SMITH INTERNATIONAL INCORPORATED	发明人	GARY RAY * PORTWOOD;SCOTT D * MCDONOUGH;DENNIS * CISNEROS
分类号	E21B10/16;E21B10/52;(IPC1-7):E21B10/08	主分类号	E21B10/16
代理机构		代理人
主权项
地址

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