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发明名称
DEVICE FOR TAKING ORIENTED CORE
摘要
申请公布号
SU1273501(A1)
申请公布日期
1986.11.30
申请号
SU19853857125
申请日期
1985.02.14
申请人
KAZAKHSKIJ NII MINERALNOGO SYRYA
发明人
BOBYLEV FEOFAN A,SU;LEONTEV OLEG P,SU;SHEKHTMAN EDUARD N,SU;MALYAKOV IGOR G,SU
分类号
E21B25/16
主分类号
E21B25/16
代理机构
代理人
主权项
地址
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