Method for filtering,申请号US19380205164-传众专利搜索

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发明名称	Method for filtering
摘要
申请公布号	US2191403(A)	申请公布日期	1940.02.20
申请号	US19380205164	申请日期	1938.04.30
申请人	SUN OIL COMPANY	发明人	TARBOX LEON A.;BARCUS WILLIAM HERMAN
分类号		主分类号
代理机构		代理人
主权项
地址

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