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发明名称
FREMGANGSMAATE OG ANORDNING FOR FJERNSTYRING AV ROERSTRENG.
摘要
申请公布号
NO895306(D0)
申请公布日期
1989.12.28
申请号
NO19890005306
申请日期
1989.12.28
申请人
INSTITUT FRANCAIS DU PETROLE
发明人
BARDIN, CHRISTIAN;PIGNARD, GUY;BOULET, JEAN;MORIN, PIERRE
分类号
E21B7/06;E21B41/00;E21B47/18;(IPC1-7):E21B/
主分类号
E21B7/06
代理机构
代理人
主权项
地址
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