PRODUCTION FROM AND SERVICING OF WELLS,申请号GB19790028088-传众专利搜索

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发明名称	PRODUCTION FROM AND SERVICING OF WELLS
摘要
申请公布号	GB2028400(B)	申请公布日期	1982.08.11
申请号	GB19790028088	申请日期	1979.08.13
申请人	OTIS ENG CORP	发明人
分类号	E21B23/08;E21B43/017;(IPC1-7):E21B43/01	主分类号	E21B23/08
代理机构		代理人
主权项
地址

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