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发明名称	Filter
摘要
申请公布号	US2196821(A)	申请公布日期	1940.04.09
申请号	US19380207918	申请日期	1938.05.14
申请人	MOTOR IMPROVEMENTS, INC.	发明人	ARNOLD GEORGE A.
分类号	B01D27/00;B01D29/00;B01D35/18	主分类号	B01D27/00
代理机构		代理人
主权项
地址

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