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经营范围
发明名称
MINE WORKING ROOF SUPPORT
摘要
申请公布号
SU613109(A1)
申请公布日期
1978.06.30
申请号
SU19762345928
申请日期
1976.04.12
申请人
INST GORNOGO DELA SO AN SSSR
发明人
MURZIN GENNADIJ S,SU;POSOKHOV GRIGORIJ E,SU;DZYUBENKO VITALIJ T,SU;FAJNER ILYA A,SU
分类号
E21D5/10;(IPC1-7):E21D5/10
主分类号
E21D5/10
代理机构
代理人
主权项
地址
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