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经营范围
发明名称
DRILL STRING STRAIN MONITORING DEVICE
摘要
申请公布号
SU582382(A1)
申请公布日期
1977.11.30
申请号
SU19762373361
申请日期
1976.06.17
申请人
VNII RAZRABOTKI EKSPLUATATSII NEFTEPROMYSLOVYKH TRUB
发明人
ORDZHEV VALEKH L,SU;AJZUPPE ELMIR A,SU;GOMBERG VLADIMIR S,SU;ZHIDKOV YURIJ A,SU;KULISHENKO VIKTOR A,SU;KUCHEROV VALERIJ V,SU;KIM YAKOV B,SU
分类号
E21B47/00;E21B17/00;E21B44/00;E21B47/007;(IPC1-7):E21B47/00
主分类号
E21B47/00
代理机构
代理人
主权项
地址
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