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发明名称
APPARATUS FOR MONITORING THE TURBODRILL REVOLUTIONS
摘要
申请公布号
SU1364707(A1)
申请公布日期
1988.01.07
申请号
SU19864034554
申请日期
1986.03.05
申请人
TYUMENSKIJ INDUSTRIALNYJ I IM.LENINSKOGO KOMSOMOLA
发明人
SAVINYKH YURIJ A,SU
分类号
E21B45/00;E21B47/18
主分类号
E21B45/00
代理机构
代理人
主权项
地址
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