Wire line operated well pump,申请号US19570692300-传众专利搜索

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发明名称	Wire line operated well pump
摘要
申请公布号	US2948231(A)	申请公布日期	1960.08.09
申请号	US19570692300	申请日期	1957.10.25
申请人	HART INDUSTRIES, INC.	发明人	HART MERIDA L.
分类号	F04B47/00	主分类号	F04B47/00
代理机构		代理人
主权项
地址

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