Combined air conditioning and vacuum cleaning apparatus for buildings,申请号US19530359827-传众专利搜索

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发明名称	Combined air conditioning and vacuum cleaning apparatus for buildings
摘要
申请公布号	US2725113(A)	申请公布日期	1955.11.29
申请号	US19530359827	申请日期	1953.06.05
申请人	FAGYAS STEVEN M	发明人	FAGYAS STEVEN M.
分类号	A47L5/38;F24F3/16;F24F5/00	主分类号	A47L5/38
代理机构		代理人
主权项
地址

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