Heat exchanger welded tube joint,申请号US19540437080-传众专利搜索

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发明名称	Heat exchanger welded tube joint
摘要
申请公布号	US2807445(A)	申请公布日期	1957.09.24
申请号	US19540437080	申请日期	1954.06.16
申请人	THE GRISCOM-RUSSELL COMPANY	发明人	GARDNER KARL A.
分类号	F22G3/00;F28F9/02	主分类号	F22G3/00
代理机构		代理人
主权项
地址

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