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发明名称
DEVICE FOR MEASURING BOREHOLE DEFLECTION ANGLES
摘要
申请公布号
SU832079(A1)
申请公布日期
1981.05.23
申请号
SU19792800920
申请日期
1979.07.24
申请人
BRUSS NI GEOLOGORAZVEDOCHNYJ INSTITUT
发明人
ISAENKO MIKHAIL N,SU;LIZANETS MIKHAIL G,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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