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经营范围
发明名称
Downhole mixer
摘要
申请公布号
GB9607924(D0)
申请公布日期
1996.06.19
申请号
GB19960007924
申请日期
1996.04.17
申请人
BAKER HUGHES INCORPORATED;EXXON PRODUCTION RESEARCH COMPANY
发明人
分类号
E21B27/02
主分类号
E21B27/02
代理机构
代理人
主权项
地址
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