Means for lubricating a deep well pump,申请号US19350018821-传众专利搜索

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发明名称	Means for lubricating a deep well pump
摘要
申请公布号	US2068175(A)	申请公布日期	1937.01.19
申请号	US19350018821	申请日期	1935.04.29
申请人	FOOD MACHINERY CORPORATION	发明人	HAIT JAMES M.
分类号	F04D29/06	主分类号	F04D29/06
代理机构		代理人
主权项
地址

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