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发明名称
FERROPROBE CONVERTER OF ANGLE OF BOREHOLE INCLINATION
摘要
申请公布号
SU1579990(A1)
申请公布日期
1990.07.23
申请号
SU19884486551
申请日期
1988.09.26
申请人
DN INZH-STR INSTITUT
发明人
KOVSHOV GENNADIJ N,SU;KOCHEMASOV YURIJ N,SU;BABENKO IGOR F,SU
分类号
E21B47/02
主分类号
E21B47/02
代理机构
代理人
主权项
地址
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