Improvements in and relating to heat exchangers,申请号GB19490017193-传众专利搜索

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发明名称	Improvements in and relating to heat exchangers
摘要
申请公布号	GB672261(A)	申请公布日期	1952.05.21
申请号	GB19490017193	申请日期	1949.06.29
申请人	KENNETH ARTHUR SPEARING	发明人
分类号	F22B31/04	主分类号	F22B31/04
代理机构		代理人
主权项
地址

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