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经营范围
发明名称
FOLDING SUPPORT STRUCTURE FOR OFFSHORE DRILLING PLATFORMS
摘要
申请公布号
US3517516(A)
申请公布日期
1970.06.30
申请号
USD3517516
申请日期
1968.07.31
申请人
SHELL OIL CO.
发明人
ROBERT G. BEA
分类号
E02B17/00;E02B17/02;(IPC1-7):E02B17/02
主分类号
E02B17/00
代理机构
代理人
主权项
地址
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