PUMP ROD,申请号RO19880135739-传众专利搜索

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发明名称	PUMP ROD
摘要
申请公布号	RO102455(B1)	申请公布日期	1993.03.25
申请号	RO19880135739	申请日期	1988.11.04
申请人		发明人
分类号	E21B17/046;(IPC1-7):E21B17/046	主分类号	E21B17/046
代理机构		代理人
主权项
地址

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