Threaded joint capable of being quickly made and broken,申请号US19480030252-传众专利搜索

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发明名称	Threaded joint capable of being quickly made and broken
摘要
申请公布号	US2587544(A)	申请公布日期	1952.02.26
申请号	US19480030252	申请日期	1948.06.01
申请人	UNITED STATES STEEL COMPANY	发明人	SNEDDON JOHN
分类号	E21B17/042;F16L15/06	主分类号	E21B17/042
代理机构		代理人
主权项
地址

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