Rodless pump setting,申请号US19520312493-传众专利搜索

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发明名称	Rodless pump setting
摘要
申请公布号	US2720839(A)	申请公布日期	1955.10.18
申请号	US19520312493	申请日期	1952.10.01
申请人	UNITED STATES STEEL CORPORATION	发明人	CHENAULT ROY L.
分类号	F04B47/04	主分类号	F04B47/04
代理机构		代理人
主权项
地址

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