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发明名称
Rod and shell composite riser
摘要
申请公布号
GB2279679(A)
申请公布日期
1995.01.11
申请号
GB19940013819
申请日期
1994.07.08
申请人
* WESTINGHOUSE ELECTRIC CORPORATION
发明人
DONALD A * NANCE
分类号
E21B17/01;E21B17/08;(IPC1-7):E21B17/01
主分类号
E21B17/01
代理机构
代理人
主权项
地址
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