Parallel tubing string packer and anchor,申请号US19580731770-传众专利搜索

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发明名称	Parallel tubing string packer and anchor
摘要
申请公布号	US3045754(A)	申请公布日期	1962.07.24
申请号	US19580731770	申请日期	1958.04.29
申请人	BAKER OIL TOOLS, INC.	发明人	MYERS WILLIAM D.
分类号	E21B33/122	主分类号	E21B33/122
代理机构		代理人
主权项
地址

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