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发明名称
Underwater oil field apparatus
摘要
申请公布号
GB2312910(A)
申请公布日期
1997.11.12
申请号
GB19970009702
申请日期
1997.05.12
申请人
* ASEA BROWN BOVERI AS
发明人
ALAN JOHN * MCGOVERN
分类号
E21B33/038;(IPC1-7):E21B33/035
主分类号
E21B33/038
代理机构
代理人
主权项
地址
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