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发明名称
Offshore drilling structure
摘要
An offshore drilling structure of the semi-submersible type wherein holes connect a recessed area in the bottom of the floatable hull with the top of the hull, and reversibly acting thrusters are mounted within the holes.
申请公布号
US4037424(A)
申请公布日期
1977.07.26
申请号
US19760698839
申请日期
1976.06.23
申请人
ANDERS, EDWARD O.
发明人
ANDERS, EDWARD O.
分类号
B63B35/44;E02B17/02;E21B7/128;E21B7/136;E21B33/037;(IPC1-7):B63B35/44;B63B21/27
主分类号
B63B35/44
代理机构
代理人
主权项
地址
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