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发明名称
Dispositif destiné à équiper la tête d'un puits deproduction d'un fluide en vue de retenir les part icules solides entraînées par ce fluide
摘要
申请公布号
OA11159(A)
申请公布日期
2003.04.16
申请号
OA19999900211
申请日期
1999.09.17
申请人
TOTAL
发明人
CHARLES BLANCHET
分类号
E21B33/03;E21B43/34;(IPC1-7):E21B43/267
主分类号
E21B33/03
代理机构
代理人
主权项
地址
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