Polish rod lubricator,申请号US19590812644-传众专利搜索

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发明名称	Polish rod lubricator
摘要
申请公布号	US3002587(A)	申请公布日期	1961.10.03
申请号	US19590812644	申请日期	1959.05.12
申请人	MATSON GEORGE L	发明人	MATSON GEORGE L.
分类号	F16N7/12	主分类号	F16N7/12
代理机构		代理人
主权项
地址

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