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发明名称
ICE-PROOF OFFSHORE DRILLING PLATFORM
摘要
申请公布号
SU628830(A3)
申请公布日期
1978.10.15
申请号
SU19752127757
申请日期
1975.04.07
申请人
SI-LOG CORP (FIRMA)
发明人
CHARLZ KHARRI SMIT,US
分类号
E02B17/00;B24B53/04;B63B35/12;B63B35/44;E21B15/02;(IPC1-7):E21B15/02
主分类号
E02B17/00
代理机构
代理人
主权项
地址
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