Automatic cleaning means for filters,申请号US19440522542-传众专利搜索

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发明名称	Automatic cleaning means for filters
摘要
申请公布号	US2422735(A)	申请公布日期	1947.06.24
申请号	US19440522542	申请日期	1944.02.16
申请人	LA GUARDIA LOUIS E	发明人	GUARDIA LOUIS E. LA
分类号	B01D29/33	主分类号	B01D29/33
代理机构		代理人
主权项
地址

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