Ventilation system for buildings,申请号US19550510423-传众专利搜索

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发明名称	Ventilation system for buildings
摘要
申请公布号	US2936692(A)	申请公布日期	1960.05.17
申请号	US19550510423	申请日期	1955.05.23
申请人	FRANK J. KENNEY;CHARLES M. SUGAR;JAMES B. HATALA	发明人	WHITE RAY C.
分类号	F24F7/00;F24F13/12	主分类号	F24F7/00
代理机构		代理人
主权项
地址

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