Means for purifying contaminated air,申请号US19370179423-传众专利搜索

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发明名称	Means for purifying contaminated air
摘要
申请公布号	US2177289(A)	申请公布日期	1939.10.24
申请号	US19370179423	申请日期	1937.12.13
申请人	CHICAGO TELEPHONE SUPPLY COMPANY	发明人	SCHELLENGER NEWTON C.
分类号	F24F3/12	主分类号	F24F3/12
代理机构		代理人
主权项
地址

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