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发明名称
Submersible drilling barge
摘要
申请公布号
US2938353(A)
申请公布日期
1960.05.31
申请号
US19540477743
申请日期
1954.12.27
申请人
SHELL OIL COMPANY
发明人
VORENKAMP EGBERT R.
分类号
B63B21/26;E02B17/02;E02D27/52
主分类号
B63B21/26
代理机构
代理人
主权项
地址
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