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经营范围
发明名称
Subsea umbilical
摘要
申请公布号
AU2004248076(B2)
申请公布日期
2009.02.19
申请号
AU20040248076
申请日期
2004.06.11
申请人
AKER KVAERNER SUBSEA AS
发明人
ARILD FIGENSCHOU;FINN PETTER GJERULL
分类号
E21B17/20;F16L9/19
主分类号
E21B17/20
代理机构
代理人
主权项
地址
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SPECIMEN ANALYZER
DIGITAL METER OF ELECTRIC SIGNAL FREQUENCY TIME PARAMETERS
DIGITAL FREQUENCY METER
METHOD AND DEVICE FOR MEASURING SIGNAL PERIOD
