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发明名称
APPARATUS FOR LOCATING THE STICKING SPOT OF A DRILLING TOOL
摘要
申请公布号
SU1089245(A1)
申请公布日期
1984.04.30
申请号
SU19823557497
申请日期
1982.12.17
申请人
KB POLT I IM.V.V.KUJBYSHEVA
发明人
KUZNETSOV VLADIMIR A,SU;BOGDANOV NIKOLAJ F,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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