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发明名称
SUPPORT FOR HAULAGE DRIFTS
摘要
申请公布号
SU1286777(A1)
申请公布日期
1987.01.30
申请号
SU19853918406
申请日期
1985.06.27
申请人
NI GORNORUDNYJ INSTITUT
发明人
SENNIKOV NIKOLAJ M,SU;MYACHIN STANISLAV D,SU;KONONOV IVAN P,SU
分类号
E21D11/14
主分类号
E21D11/14
代理机构
代理人
主权项
地址
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