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发明名称
ANORDNING OG FREMGANGSMAATE FOR UTFOERELSE AV OPERASJONER OG/ELLER INNGREP I EN BROENN.
摘要
申请公布号
NO890355(A)
申请公布日期
1989.07.31
申请号
NO19890000355
申请日期
1989.01.27
申请人
INST FRANCAIS DU PETROLE
发明人
LESSI JACQUES
分类号
E21B23/08;E21B23/14;E21B43/14;E21B47/06;E21B47/10;(IPC1-7):E21B43/00;E21B47/00
主分类号
E21B23/08
代理机构
代理人
主权项
地址
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