Multiple tubing string well completion equipment,申请号US19570659424-传众专利搜索

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发明名称	Multiple tubing string well completion equipment
摘要
申请公布号	US3052301(A)	申请公布日期	1962.09.04
申请号	US19570659424	申请日期	1957.05.15
申请人	GRAY TOOL COMPANY	发明人	WATTS JOHN D.;IRELAND JAMES C.
分类号	E21B33/03	主分类号	E21B33/03
代理机构		代理人
主权项
地址

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