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发明名称
DEVICE FOR DRILLING MULTIFACE BOREHOLE
摘要
申请公布号
SU1609930(A1)
申请公布日期
1990.11.30
申请号
SU19884470155
申请日期
1988.08.05
申请人
BASHKIRSKIJ GNI PI NEFTYANOJ
发明人
YANTURIN ALFRED SH,SU;KAGARMANOV NURULLA F,SU;KHAMZIN SHAMIL KH,SU;GALEEV ERNST M,SU;ASFANDIYAROV RASIM T,SU
分类号
E21B7/08
主分类号
E21B7/08
代理机构
代理人
主权项
地址
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