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经营范围
发明名称
Heave compensating riser system
摘要
申请公布号
GB2334049(A)
申请公布日期
1999.08.11
申请号
GB19990002319
申请日期
1999.02.02
申请人
PHILIP * HEAD
发明人
PHILIP * HEAD
分类号
E21B17/01;E21B19/00;E21B19/22;E21B43/013;(IPC1-7):E21B17/01;E21B19/09;E21B43/01
主分类号
E21B17/01
代理机构
代理人
主权项
地址
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