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发明名称
DEVICE FOR LOCATING TOOL IN WELL
摘要
申请公布号
SU876979(A1)
申请公布日期
1981.10.30
申请号
SU19802881773
申请日期
1980.02.04
申请人
UFIMSKIJ AVIATSIONNYJ I IM. S.ORDZHONIKIDZE
发明人
KOVSHOV GENNADIJ N,SU;ISMAGILOV MUNIR Z,SU
分类号
E21B47/02;(IPC1-7):E21B47/02
主分类号
E21B47/02
代理机构
代理人
主权项
地址
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