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发明名称
ABOVE-BIT WELL-GAUGING TOOL AND STABILIZER
摘要
申请公布号
SU899835(A1)
申请公布日期
1982.01.23
申请号
SU19792844562
申请日期
1979.11.29
申请人
VNII PO KREPLENIYU SKVAZHIN BUROVYM RASTVORAM
发明人
MARCHENKO REMUALD N,SU;IZMAJLOV LAZAR B,SU;BULATOV ANATOLIJ I,SU;TERENTEV YURIJ G,SU;GORYAJNOV STANISLAV P,SU
分类号
E21B17/10;(IPC1-7):E21B17/10
主分类号
E21B17/10
代理机构
代理人
主权项
地址
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