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发明名称
Reduced-length measure while drilling apparatus using electric field short range data transmission
摘要
申请公布号
GB0715283(D0)
申请公布日期
2007.09.12
申请号
GB20070015283
申请日期
2007.08.07
申请人
SCIENTIFIC DRILLING INTERNATIONAL
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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