SURFACE AERATION IMPELLER,申请号US19760697520-传众专利搜索

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发明名称	SURFACE AERATION IMPELLER
摘要
申请公布号	US4066382(A)	申请公布日期	1978.01.03
申请号	US19760697520	申请日期	1976.06.18
申请人	GENERAL SIGNAL CORPORATION	发明人	LAKIN, MICHAEL B.;LINDSAY, JAMES R.
分类号	F04D29/22;(IPC1-7):B01D47/16	主分类号	F04D29/22
代理机构		代理人
主权项
地址

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