Method for installing a well casing section,申请号GB19990012369-传众专利搜索

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发明名称	Method for installing a well casing section
摘要
申请公布号	GB2338009(A)	申请公布日期	1999.12.08
申请号	GB19990012369	申请日期	1999.05.28
申请人	PHILIP * HEAD	发明人	PHILIP * HEAD
分类号	E21B7/20;E21B21/10;E21B33/14;E21B43/10;(IPC1-7):E21B17/00	主分类号	E21B7/20
代理机构		代理人
主权项
地址

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