Running and pulling tool,申请号US19600014915-传众专利搜索

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发明名称	Running and pulling tool
摘要
申请公布号	US3051239(A)	申请公布日期	1962.08.28
申请号	US19600014915	申请日期	1960.03.14
申请人	OTIS ENGINEERING CORPORATION	发明人	DOLLISON WILLIAM W.
分类号	E21B31/20;E21B43/14	主分类号	E21B31/20
代理机构		代理人
主权项
地址

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