ROD GUIDE AND CENTRALIZER,申请号USD3560060-传众专利搜索

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发明名称	ROD GUIDE AND CENTRALIZER
摘要
申请公布号	US3560060(A)	申请公布日期	1971.02.02
申请号	USD3560060	申请日期	1968.12.18
申请人	NATE MORRIS	发明人	NATE MORRIS
分类号	E21B17/10;(IPC1-7):E21B17/10;F16C1/26	主分类号	E21B17/10
代理机构		代理人
主权项
地址

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