Whipstock casing milling system,申请号GB20000007289-传众专利搜索

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发明名称	Whipstock casing milling system
摘要
申请公布号	GB0007289(D0)	申请公布日期	2000.05.17
申请号	GB20000007289	申请日期	2000.03.24
申请人	SMITH INTERNATIONAL INC	发明人
分类号	E21B7/06;E21B29/06	主分类号	E21B7/06
代理机构		代理人
主权项
地址

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