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发明名称
BOHRWERKZEUG FUER SCHLAGMASCHINEN
摘要
申请公布号
DE2928445(A1)
申请公布日期
1981.01.29
申请号
DE19792928445
申请日期
1979.07.13
申请人
INSTITUT GORNOGO DELA SIBIRSKOGO OTDELENIJA AKADEMII NAUK SSSR
发明人
V. SUDNISCHNIKOV,BORIS;V. KAMENSKIJ,VENIAMIN;P. VARNELLO,EDUARD;K. TUPICIN,SERGEJ;K. TUPICIN,KONSTANTIN
分类号
E21B10/00;E21B10/04;E21B10/26;E21B10/36;E21B10/38;(IPC1-7):E21C3/00
主分类号
E21B10/00
代理机构
代理人
主权项
地址
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