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经营范围
发明名称
METHOD OF ERECTING A BY-DRIFT SAFETY STRIP
摘要
申请公布号
SU829966(A1)
申请公布日期
1981.05.15
申请号
SU19792742095
申请日期
1979.03.27
申请人
KARAGANDINSKOE REVOLYUTSII PROIZV OB PO DOBYCHE UGLYA
发明人
BAJKENZHIN ASYLBEK E,SU;FALALEEV LEONID A,SU;NASIBULLIN KHAFIZ G,SU
分类号
E21D13/02;(IPC1-7):E21D13/02
主分类号
E21D13/02
代理机构
代理人
主权项
地址
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