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经营范围
发明名称
Acoustic telemetry
摘要
申请公布号
GB2236782(A)
申请公布日期
1991.04.17
申请号
GB19900021473
申请日期
1990.10.03
申请人
* UNITED KINGDOM ATOMIC ENERGY AUTHORITY
发明人
MICHAEL HUGHES * BUTTERFIELD;ANDREW ROBERT * GRAYSON
分类号
E21B47/16
主分类号
E21B47/16
代理机构
代理人
主权项
地址
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