Ribbon spiral flow heat exchanger,申请号US19530398330-传众专利搜索

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发明名称	Ribbon spiral flow heat exchanger
摘要
申请公布号	US2801831(A)	申请公布日期	1957.08.06
申请号	US19530398330	申请日期	1953.12.15
申请人	VAPOR HEATING CORPORATION	发明人	CLARKSON ALICK
分类号	F28D7/02	主分类号	F28D7/02
代理机构		代理人
主权项
地址

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