Improvements in apparatus for the interchange of heat between gases,申请号GB19310023226-传众专利搜索

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发明名称	Improvements in apparatus for the interchange of heat between gases
摘要
申请公布号	GB378646(A)	申请公布日期	1932.08.18
申请号	GB19310023226	申请日期	1931.08.18
申请人	WILLIAM WARREN TRIGGS	发明人
分类号	F28F9/20	主分类号	F28F9/20
代理机构		代理人
主权项
地址

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