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发明名称
DEVICE FOR SENSOR ORIENTATION
摘要
申请公布号
SU1645486(A1)
申请公布日期
1991.04.30
申请号
SU19894687673
申请日期
1989.05.05
申请人
VNII NEFTEPROMY GEOFIZ
发明人
ROGATYKH NIKOLAJ P,SU;KUKLINA LYUBOV A,SU
分类号
E21B47/02
主分类号
E21B47/02
代理机构
代理人
主权项
地址
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