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发明名称
APPARATUS FOR MONITORING TURBODRILL R.P.M. VALUE
摘要
申请公布号
SU652318(A1)
申请公布日期
1979.03.15
申请号
SU19762429303
申请日期
1976.12.23
申请人
MO I NEFTEKHIMICHESKOJ GAZOVOJ PROMY IM. I.M.GUBKINA
发明人
MELIK-SHAKHNAZAROV ALEKSANDR M,SU;BALITSKIJ VLADIMIR P,SU
分类号
E21B45/00;(IPC1-7):E21B45/00
主分类号
E21B45/00
代理机构
代理人
主权项
地址
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