Centrifugal pump drive and seal means,申请号US19510207684-传众专利搜索

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发明名称	Centrifugal pump drive and seal means
摘要
申请公布号	US2625883(A)	申请公布日期	1953.01.20
申请号	US19510207684	申请日期	1951.01.25
申请人	HOWSER JULIA M	发明人	HOWSER JULIA M.
分类号	F04D29/04;F04D29/044;F04D29/12	主分类号	F04D29/04
代理机构		代理人
主权项
地址

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