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发明名称
ECKSÄULEN ZUR HERSTELLUNG VON STÜTZEN BEI EINEM ÖLBOHRGESTELL UND VERWENDUNG IN EIN HEBBARES ÖLBOHRGESTELL
摘要
申请公布号
AT135776(T)
申请公布日期
1996.04.15
申请号
AT19900910524T
申请日期
1990.07.11
申请人
OFFSHORE INNOVATION LIMITED A/S
发明人
FOSS, GUNNAR;KJERSEM, GEIR;RUNDHOVDE, STURE
分类号
E02B17/00;E02B17/02;(IPC1-7):E02B17/00
主分类号
E02B17/00
代理机构
代理人
主权项
地址
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