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经营范围
发明名称
BUOYANCY DEVICE AND METHOD FOR USING SAME
摘要
申请公布号
EP0979342(A1)
申请公布日期
2000.02.16
申请号
EP19980901588
申请日期
1998.01.13
申请人
ABB OFFSHORE TECHNOLOGY A/S
发明人
BULL, HENRIK;INGEBRETSEN, HELGE
分类号
B63B22/00;B63B22/02;E21B17/01;(IPC1-7):E21B17/01;B63B27/24
主分类号
B63B22/00
代理机构
代理人
主权项
地址
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