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发明名称	Filter
摘要
申请公布号	US2390841(A)	申请公布日期	1945.12.11
申请号	US19430511662	申请日期	1943.11.25
申请人	ERICH LONGDEN	发明人	LONGDEN ERICH
分类号	B01D21/26;B01D29/00;B01D35/16;B01D35/22;B01D50/00;F02M35/024	主分类号	B01D21/26
代理机构		代理人
主权项
地址

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