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发明名称
EQUIPMENT MONITORING POSITION OF DEFLECTING TOOL OF BOREHOLE SHAFT
摘要
申请公布号
RU2052091(C1)
申请公布日期
1996.01.10
申请号
SU19915015812
申请日期
1991.12.11
申请人
VSESOYUZNYJ NAUCHNO-ISSLEDOVATELSKIJ INSTITUT NEFTEPROMYSLOVOJ GEOFIZIKI
发明人
BERNSHTEJN DAVID A;RAPIN VADIM A;CHESNOKOV VLADIMIR A;BERNSHTEJN ANATOLIJ D
分类号
E21B47/02;(IPC1-7):E21B47/02
主分类号
E21B47/02
代理机构
代理人
主权项
地址
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