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经营范围
发明名称
MINE ROOF SUPPORTING METHOD
摘要
申请公布号
SU934037(A1)
申请公布日期
1982.06.07
申请号
SU19802921674
申请日期
1980.05.05
申请人
DULIN VLADISLAV D,SU;FALALEEV LEONID A,SU;SELIVANOV ALEKSANDR S,SU;KOSYKH VIKTOR V,SU
发明人
DULIN VLADISLAV D,SU;FALALEEV LEONID A,SU;SELIVANOV ALEKSANDR S,SU;KOSYKH VIKTOR V,SU
分类号
E21D20/00;(IPC1-7):E21D20/00
主分类号
E21D20/00
代理机构
代理人
主权项
地址
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