Filter,申请号US19370172812-传众专利搜索

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法人/股东/高管

发明名称	Filter
摘要
申请公布号	US2298321(A)	申请公布日期	1942.10.13
申请号	US19370172812	申请日期	1937.11.04
申请人	WELLS DONALD H	发明人	WELLS DONALD H.
分类号	B01D25/02;B01D29/00;B01D35/00;B01D37/00	主分类号	B01D25/02
代理机构		代理人
主权项
地址

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