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摘要
申请公布号
NO983704(D0)
申请公布日期
1998.08.13
申请号
NO19980003704
申请日期
1998.08.13
申请人
PETROLEUM GEO-SERVICES AS
发明人
BOERSETH, KNUT
分类号
B63B;(IPC1-7):B63B
主分类号
B63B
代理机构
代理人
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