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发明名称	Filter
摘要
申请公布号	US2253686(A)	申请公布日期	1941.08.26
申请号	US19380207894	申请日期	1938.05.14
申请人	MICHIANA PRODUCTS CORPORATION	发明人	BURCKHALTER ROBERT NASH
分类号	B01D29/15;B01D35/147	主分类号	B01D29/15
代理机构		代理人
主权项
地址

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