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经营范围
发明名称
RE-ENTRY SYSTEM FOR SUBSEA WELL
摘要
申请公布号
AU513291(B2)
申请公布日期
1980.11.27
申请号
AU19780032388
申请日期
1978.01.12
申请人
SOCIETE NATIONALE ELF AQUITAINE (PRODUCTION)
发明人
G.M. GHATEAU;C.B. FALKNER, JR.
分类号
E21B43/013;E21B41/10;(IPC1-7):E21B43/01
主分类号
E21B43/013
代理机构
代理人
主权项
地址
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