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发明名称
RISER SUPPORT SYSTEM
摘要
申请公布号
KR910006947(B1)
申请公布日期
1991.09.14
申请号
KR19840000348
申请日期
1984.01.26
申请人
THE BRITISH PETROLEUM CO.,P.L.C.
发明人
STEPHENSON GRAHAM W.;TOFT RICHARD C.
分类号
E21B17/01;E21B19/00;E21B43/01;(IPC1-7):E21B19/00
主分类号
E21B17/01
代理机构
代理人
主权项
地址
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