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发明名称
Floatation Device
摘要
申请公布号
GB2346634(A)
申请公布日期
2000.08.16
申请号
GB20000001735
申请日期
2000.01.27
申请人
* SPECIALISED PETROLEUM SERVICES LIMITED
发明人
MARK * CARMICHAEL
分类号
E21B23/00;E21B33/16;E21B43/08;E21B43/10;(IPC1-7):E21B33/14
主分类号
E21B23/00
代理机构
代理人
主权项
地址
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