Universal selective landing nipple and selector tool,申请号US19610085263-传众专利搜索

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发明名称	Universal selective landing nipple and selector tool
摘要
申请公布号	US3105549(A)	申请公布日期	1963.10.01
申请号	US19610085263	申请日期	1961.01.27
申请人	CAMCO, INCORPORATED	发明人	RAULINS GEORGE M.
分类号	E21B23/02	主分类号	E21B23/02
代理机构		代理人
主权项
地址

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