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发明名称
Valve control arrangement
摘要
申请公布号
GB0011588(D0)
申请公布日期
2000.07.05
申请号
GB20000011588
申请日期
2000.05.12
申请人
KVAERNER OIL & GAS FIELD DEVELOPMENT
发明人
分类号
E21B34/02;E21B34/10
主分类号
E21B34/02
代理机构
代理人
主权项
地址
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