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经营范围
发明名称
MINE ROOF SUPPORT PROP
摘要
申请公布号
SU599081(A1)
申请公布日期
1978.03.25
申请号
SU19741982720
申请日期
1974.01.02
申请人
INST GEOTEKHNICHESKOJ MEKHANIKI AN UK SSR
发明人
GLUSHKO VASILIJ TROFIMOVICH,SU;MACHULA IVAN SEMENOVICH,SU;SOLOGUB LEONID IVANOVICH,SU;SHTEPA ALEKSANDR VASILEVICH,SU
分类号
E21D15/28;(IPC1-7):E21D15/28
主分类号
E21D15/28
代理机构
代理人
主权项
地址
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