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经营范围
发明名称
Packer inflation system
摘要
申请公布号
GB9601762(D0)
申请公布日期
1996.04.03
申请号
GB19960001762
申请日期
1996.01.30
申请人
BAKER HUGHES INCORPORATED
发明人
分类号
E21B33/124;E21B33/127
主分类号
E21B33/124
代理机构
代理人
主权项
地址
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