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发明名称
Frigjörbar styrestolpe, frigjöringsverktöy for frigjöring av en styrestolpe og et ROV-verktöy for frigjöring av en styrestolpe
摘要
申请公布号
NO176255(C)
申请公布日期
1995.03.01
申请号
NO19910001251
申请日期
1991.03.27
申请人
KVAERNER ROSENBERG AS - KVAERNER SUBSEA CONTRACTING
发明人
HALLE, PER OLAV;CASPERSEN, SVERRE
分类号
E21B;E21B7/128;(IPC1-7):E21B7/128
主分类号
E21B
代理机构
代理人
主权项
地址
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