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发明名称
RACK FOR TESTING DYNAMIC CHARACTERISTICS OF DRILLING TOOL AND MUD FLOW
摘要
申请公布号
SU1208175(A1)
申请公布日期
1986.01.30
申请号
SU19843794231
申请日期
1984.07.25
申请人
TYUMENSKIJ INDUSTRIALNYJ I IM.LENINSKOGO KOMSOMOLA
发明人
KULYABIN GENNADIJ A,SU;GRACHEV SERGEJ I,SU
分类号
E21B21/00;(IPC1-7):E21B21/00
主分类号
E21B21/00
代理机构
代理人
主权项
地址
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