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发明名称
Borehole surveying
摘要
申请公布号
GB2138141(A)
申请公布日期
1984.10.17
申请号
GB19830009704
申请日期
1983.04.09
申请人
* NL SPERRY-SUN INC
发明人
ANTHONY WILLIAM * RUSSELL;MICHAEL KING * RUSSELL
分类号
E21B47/022;G01V3/40;G01V7/00;(IPC1-7):G01V3/18
主分类号
E21B47/022
代理机构
代理人
主权项
地址
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