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发明名称
SEALING OF SUPPORT OF ROLLING CUTTER BIT
摘要
申请公布号
RU2096579(C1)
申请公布日期
1997.11.20
申请号
RU19960116384
申请日期
1996.08.07
申请人
NAUCHNO-PROIZVODSTVENNOE PREDPRIYATIE "AZIMUT"
发明人
MATVEEV YURIJ G;POPOV ANATOLIJ N;TORGASHOV ALEKSANDR V;BATALOV SERGEJ P
分类号
E21B10/24;(IPC1-7):E21B10/24
主分类号
E21B10/24
代理机构
代理人
主权项
地址
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