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发明名称
METHOD OF TESTING MINE CIRCULAR CONTINUOUS ROOF SUPPORT
摘要
申请公布号
SU653398(A1)
申请公布日期
1979.03.25
申请号
SU19772477029
申请日期
1977.04.18
申请人
VNII GORNOJ GEOMEKHANIKI MARKSHEJDERSKOGO DELA
发明人
REPKO ANATOLIJ A,SU;MATVEEV BORIS V,SU
分类号
E21D11/00;G01M99/00;(IPC1-7):E21D11/00;G01M19/00
主分类号
E21D11/00
代理机构
代理人
主权项
地址
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