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发明名称
Suspensão da coluna de produção de um poço petrolífero
摘要
申请公布号
BR9703898(A)
申请公布日期
1998.10.27
申请号
BR1997PI03898
申请日期
1997.07.09
申请人
ELF EXPLORATION PRODUCTION
发明人
MARC TISON
分类号
E21B33/043;(IPC1-7):E21B33/04
主分类号
E21B33/043
代理机构
代理人
主权项
地址
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