Wellbore methods and apparatus,申请号GB19950011538-传众专利搜索

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发明名称	Wellbore methods and apparatus
摘要
申请公布号	GB9511538(D0)	申请公布日期	1995.08.02
申请号	GB19950011538	申请日期	1995.06.07
申请人	SCHLUMBERGER LIMITED	发明人
分类号	E21B23/04;E21B43/116;E21B43/1185	主分类号	E21B23/04
代理机构		代理人
主权项
地址

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