Improvements in and relating to tubes for heat-exchange apparatus,申请号GB19380028090-传众专利搜索

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发明名称	Improvements in and relating to tubes for heat-exchange apparatus
摘要
申请公布号	GB519593(A)	申请公布日期	1940.04.01
申请号	GB19380028090	申请日期	1938.09.27
申请人	PERCY ST. GEORGE KIRKE	发明人
分类号	F28F1/00	主分类号	F28F1/00
代理机构		代理人
主权项
地址

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