SURFACE OIL WELL PUMPING APPARATUS,申请号IE19800001694-传众专利搜索

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发明名称	SURFACE OIL WELL PUMPING APPARATUS
摘要
申请公布号	IE801694(L)	申请公布日期	1981.03.21
申请号	IE19800001694	申请日期	1980.08.12
申请人	HYDRAUNIT VENTURE	发明人
分类号	E21B43/18;F04B47/00;(IPC1-7):E21B43/18	主分类号	E21B43/18
代理机构		代理人
主权项
地址

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