Improvements in heat exchangers,申请号GB19490005807-传众专利搜索

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发明名称	Improvements in heat exchangers
摘要
申请公布号	GB668175(A)	申请公布日期	1952.03.12
申请号	GB19490005807	申请日期	1949.03.03
申请人	JOHN FRANCIS BUTLER;FREDERICK ERNEST REBBECK	发明人
分类号	F28F3/00	主分类号	F28F3/00
代理机构		代理人
主权项
地址

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