Hinged self-sealing coupling,申请号US19420459743-传众专利搜索

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发明名称	Hinged self-sealing coupling
摘要
申请公布号	US2377510(A)	申请公布日期	1945.06.05
申请号	US19420459743	申请日期	1942.09.26
申请人	DRESSER INDUSTRIES, INC.	发明人	NEWELL FREDERICK T.
分类号	F16L17/04	主分类号	F16L17/04
代理机构		代理人
主权项
地址

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