Air cooler and heater,申请号US19380225627-传众专利搜索

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发明名称	Air cooler and heater
摘要
申请公布号	US2157974(A)	申请公布日期	1939.05.09
申请号	US19380225627	申请日期	1938.08.18
申请人	MARK WENTZ;S. B. STONE;J. H. GREENE;R. F. SCHERMERHORN	发明人	WENTZ MARK
分类号	F24F6/06	主分类号	F24F6/06
代理机构		代理人
主权项
地址

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