Unit heating ventilator,申请号US19310521997-传众专利搜索

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发明名称	Unit heating ventilator
摘要
申请公布号	US2006534(A)	申请公布日期	1935.07.02
申请号	US19310521997	申请日期	1931.03.12
申请人	B.F. STURTEVANT COMPANY	发明人	BRIDGES CHARLES P.
分类号	F24D19/10;F28D1/02	主分类号	F24D19/10
代理机构		代理人
主权项
地址

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