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发明名称
Bore hole measuring device
摘要
申请公布号
GB2324152(B)
申请公布日期
2001.06.13
申请号
GB19980007584
申请日期
1998.04.08
申请人
KEVIN MARSHALL * HEYWOOD
发明人
KEVIN MARSHALL * HEYWOOD
分类号
E21B47/022;(IPC1-7):G01C9/02;G01C15/00
主分类号
E21B47/022
代理机构
代理人
主权项
地址
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