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发明名称
SPINDLE OF FACE MOTOR
摘要
申请公布号
RU2057882(C1)
申请公布日期
1996.04.10
申请号
RU19930029064
申请日期
1993.06.04
申请人
KONSTRUKTORSKO-TEKHNOLOGICHESKOE BYURO TEKHNICHESKIKH SREDSTV BURENIYA SKVAZHIN
发明人
KRAVTSOV ANATOLIJ I;ASEEV EVGENIJ G
分类号
E21B4/00;(IPC1-7):E21B4/00
主分类号
E21B4/00
代理机构
代理人
主权项
地址
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