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发明名称
ANLEGG TIL DRIFT OG OVERVAAKNING AV ET BROENNHODE NEDDYKKET I EN VAESKE.
摘要
申请公布号
NO861895(A)
申请公布日期
1986.11.17
申请号
NO19860001895
申请日期
1986.05.13
申请人
SOCIETE NATIONALE ELF AQUITAINE (PRODUCTION)
发明人
AUBIN, CHRISTOPHE;PERROT, MARC;SESQUES, CLAUDE
分类号
E21B33/035;(IPC1-7):E21B/
主分类号
E21B33/035
代理机构
代理人
主权项
地址
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