Fremgangsmåte for syklonseparering nede i et borehull,申请号NO19970005724-传众专利搜索

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发明名称	Fremgangsmåte for syklonseparering nede i et borehull
摘要
申请公布号	NO975724(D0)	申请公布日期	1997.12.05
申请号	NO19970005724	申请日期	1997.12.05
申请人	CENTRE FOR ENGINEERING RESEARCH INC	发明人	PEACHEY, BRUCE R.
分类号	E21B43/38;(IPC1-7):E21B	主分类号	E21B43/38
代理机构		代理人
主权项
地址

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