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法人/股东/高管

发明名称	Filter
摘要
申请公布号	US2798424(A)	申请公布日期	1957.07.09
申请号	US19550501344	申请日期	1955.04.14
申请人	EQUIPMENT DEVELOPMENT CO., INC.	发明人	SMITH EDMUND G.;COCCHIARELLA OTELL M.
分类号	B01D33/00;B30B9/20;C02F11/12	主分类号	B01D33/00
代理机构		代理人
主权项
地址

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