Air purifying and circulating device,申请号US19520319060-传众专利搜索

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发明名称	Air purifying and circulating device
摘要
申请公布号	US2699287(A)	申请公布日期	1955.01.11
申请号	US19520319060	申请日期	1952.11.06
申请人	W. B. CONNOR ENGINEERING CORP.	发明人	DANINHIRSCH HARRY
分类号	F24F3/16	主分类号	F24F3/16
代理机构		代理人
主权项
地址

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