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经营范围
发明名称
Gauge region protection
摘要
申请公布号
GB2462813(A)
申请公布日期
2010.02.24
申请号
GB20080015007
申请日期
2008.08.18
申请人
REEDHYCALOG UK LIMITED
发明人
JONATHON ELVIDGE;ROBERT WOODWARD;ALAN H JIANG
分类号
E21B10/42;E21B10/46;E21B10/54
主分类号
E21B10/42
代理机构
代理人
主权项
地址
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