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发明名称
Spar structure
摘要
申请公布号
GB9909038(D0)
申请公布日期
1999.06.16
申请号
GB19990009038
申请日期
1997.11.14
申请人
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.
发明人
分类号
B63B21/50;B63B35/44;B63B39/00;E02B17/00;E21B17/01;F15D1/10;F15D1/12
主分类号
B63B21/50
代理机构
代理人
主权项
地址
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