Hydraulic method of carrying the down-thrust of alpha deep-well turbine pump,申请号US19280257905-传众专利搜索

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发明名称	Hydraulic method of carrying the down-thrust of alpha deep-well turbine pump
摘要
申请公布号	US1844621(A)	申请公布日期	1932.02.09
申请号	US19280257905	申请日期	1928.02.29
申请人	PEERLESS PUMP COMPANY	发明人	WINTROATH JOHN A.
分类号	F04D13/10;F04D29/04	主分类号	F04D13/10
代理机构		代理人
主权项
地址

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