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发明名称
UNIT FOR DRIVING ENTRIES IN ROCK
摘要
申请公布号
SU1132006(A1)
申请公布日期
1984.12.30
申请号
SU19833636719
申请日期
1983.08.23
申请人
NI GORNORUDNYJ INSTITUT
发明人
KORNET EDUARD A,SU;LYASH SERGEJ I,SU;TROKHIMETS NIKOLAJ YA,SU;BALABAT LYUBOV N,SU
分类号
E21D1/06;E21B4/14;(IPC1-7):E21C3/24
主分类号
E21D1/06
代理机构
代理人
主权项
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