Elongated tension load carrying element for oil wells and the like,申请号US19630281615-传众专利搜索

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发明名称	Elongated tension load carrying element for oil wells and the like
摘要
申请公布号	US3234723(A)	申请公布日期	1966.02.15
申请号	US19630281615	申请日期	1963.05.20
申请人	BROWN KENARD D	发明人	BROWN KENARD D.
分类号	E21B17/20;E21B43/263	主分类号	E21B17/20
代理机构		代理人
主权项
地址

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