Threaded well casing joint having compressive loading means,申请号US19590849892-传众专利搜索

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发明名称	Threaded well casing joint having compressive loading means
摘要
申请公布号	US3042429(A)	申请公布日期	1962.07.03
申请号	US19590849892	申请日期	1959.10.30
申请人	UNITED STATES STEEL CORPORATION	发明人	KELSO JOHN W.
分类号	E21B17/042;F16L15/00	主分类号	E21B17/042
代理机构		代理人
主权项
地址

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