Circulation of air for heating,申请号US19350054083-传众专利搜索

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发明名称	Circulation of air for heating
摘要
申请公布号	US2146122(A)	申请公布日期	1939.02.07
申请号	US19350054083	申请日期	1935.12.12
申请人	HALFDAN LEE	发明人	LEE HALFDAN
分类号	F24H3/06	主分类号	F24H3/06
代理机构		代理人
主权项
地址

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