METHOD AND APPARATUS FOR PLUGGING WELL PIPE PERFORATIONS,申请号USD3437147-传众专利搜索

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发明名称	METHOD AND APPARATUS FOR PLUGGING WELL PIPE PERFORATIONS
摘要
申请公布号	US3437147(A)	申请公布日期	1969.04.08
申请号	USD3437147	申请日期	1967.02.23
申请人	MOBIL OIL CORP.	发明人	CARL A. DAVIES
分类号	C09K8/72;E21B33/134;E21B33/138;E21B43/25;E21B43/26;(IPC1-7):E21B33/13	主分类号	C09K8/72
代理机构		代理人
主权项
地址

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