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法人/股东/高管

发明名称	Filter
摘要
申请公布号	US2750045(A)	申请公布日期	1956.06.12
申请号	US19530333176	申请日期	1953.01.26
申请人	HOFFMANN MELVILLE C;KRATZ HARVEY E	发明人	HOFFMANN MELVILLE C.;KRATZ HARVEY E.
分类号	B01D29/11	主分类号	B01D29/11
代理机构		代理人
主权项
地址

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