Device for removing dust from air,申请号US19350008504-传众专利搜索

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发明名称	Device for removing dust from air
摘要
申请公布号	US2009140(A)	申请公布日期	1935.07.23
申请号	US19350008504	申请日期	1935.02.27
申请人	KNOWLTON & NEWTON CO. INC.	发明人	KNOWLTON HARRY W.
分类号	B01D46/26	主分类号	B01D46/26
代理机构		代理人
主权项
地址

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