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发明名称
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摘要
申请公布号
GB2239571(B)
申请公布日期
1994.08.03
申请号
GB19890029322
申请日期
1989.12.29
申请人
* SCHLUMBERGER INDUSTRIES LIMITED
发明人
DAVID JOHN * CLARKE;EDWARD ALBERT * MARTIN
分类号
H04B1/59;G01S13/82;(IPC1-7):H04B1/59;G01S13/80;H03D1/02
主分类号
H04B1/59
代理机构
代理人
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地址
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