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经营范围
发明名称
Downhole apparatus for generating electrical power in a well
摘要
申请公布号
GB9724421(D0)
申请公布日期
1998.01.14
申请号
GB19970024421
申请日期
1996.06.19
申请人
BAKER HUGHES INCORPORATED
发明人
分类号
E21B41/00
主分类号
E21B41/00
代理机构
代理人
主权项
地址
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