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发明名称
DRILLING BIT
摘要
申请公布号
SU1134690(A1)
申请公布日期
1985.01.15
申请号
SU19833575496
申请日期
1983.02.24
申请人
MO REVOLYUTSII I NEFTEKHIMICHESKOJ GAZOVOJ PROMY IM.I.M.GUBKINA
发明人
ZHIDOVTSEV NIKOLAJ A,SU;BIKBULATOV IREK K,SU;GINZBURG EDUARD S,SU;KASYANOV SERGEJ V,SU;SKLYAROV EDUARD D,SU;FINKELSHTEJN EVGENIJ M,SU;VASILEV ANATOLIJ V,SU;MATVEEV GRIGORIJ I,SU
分类号
E21B10/60;(IPC1-7):E21B10/60
主分类号
E21B10/60
代理机构
代理人
主权项
地址
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