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发明名称
METHOD FOR DOWNHOLE CYCLONE SEPARATION
摘要
申请公布号
EP0830494(B1)
申请公布日期
2000.03.29
申请号
EP19950931870
申请日期
1995.09.27
申请人
CENTRE FOR ENGINEERING RESEARCH INC.
发明人
PEACHEY, BRUCE, R.
分类号
E21B43/38;(IPC1-7):E21B43/38
主分类号
E21B43/38
代理机构
代理人
主权项
地址
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