Method of fabricating heat exchangers,申请号US19470783400-传众专利搜索

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发明名称	Method of fabricating heat exchangers
摘要
申请公布号	US2514469(A)	申请公布日期	1950.07.11
申请号	US19470783400	申请日期	1947.10.31
申请人	GENERAL MOTORS CORPORATION	发明人	BURKHARDT THOMAS E.
分类号	B21D53/04	主分类号	B21D53/04
代理机构		代理人
主权项
地址

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