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发明名称
SPINDLE-SECTION OF DEFLECTING TURBODRILL
摘要
申请公布号
RU2082862(C1)
申请公布日期
1997.06.27
申请号
SU19925062768
申请日期
1992.09.23
申请人
PECHORSKIJ GOSUDARSTVENNYJ NAUCHNO-ISSLEDOVATELSKIJ I PROEKTNYJ INSTITUT NEFTYANOJ PROMYSHLENNOSTI
发明人
BUSLAEV VIKTOR F;SHILYAEV ALEKSANDR A;STADNYJ VIKTOR N;IZ"YUROV ALEKSANDR P
分类号
E21B4/02;(IPC1-7):E21B4/02
主分类号
E21B4/02
代理机构
代理人
主权项
地址
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