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发明名称
Downhole communication
摘要
申请公布号
GB0318424(D0)
申请公布日期
2003.09.10
申请号
GB20030018424
申请日期
2003.08.06
申请人
HEAD, PHILIP
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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