Portable exhaust fan,申请号US19470733812-传众专利搜索

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发明名称	Portable exhaust fan
摘要
申请公布号	US2463752(A)	申请公布日期	1949.03.08
申请号	US19470733812	申请日期	1947.03.11
申请人	CUIR SR LOUIS N DE;DUGAS ANTHONY J	发明人	SR LOUIS N. DE CUIR,;DUGAS ANTHONY J.
分类号	F04D29/64	主分类号	F04D29/64
代理机构		代理人
主权项
地址

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