Filtering and cleaning means,申请号US19490125794-传众专利搜索

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发明名称	Filtering and cleaning means
摘要
申请公布号	US2685565(A)	申请公布日期	1954.08.03
申请号	US19490125794	申请日期	1949.11.05
申请人	R. M. HOLLINGSHEAD CORPORATION	发明人	JONES LERROY V.;WILLIS STANLEY J.;PERRY MANLEY M.
分类号	B01D24/04;B01J47/00	主分类号	B01D24/04
代理机构		代理人
主权项
地址

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