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发明名称
BRACE FOR CONCRETE-LINED ROOF SUPPORT
摘要
申请公布号
SU878948(A1)
申请公布日期
1981.11.07
申请号
SU19792860007
申请日期
1979.12.26
申请人
DN G PI "DNEPROGIPROSHAKHT"
发明人
LUPININ YURIJ V,SU;STYTSIN VIKTOR I,SU
分类号
E21D11/14;(IPC1-7):E21D11/14
主分类号
E21D11/14
代理机构
代理人
主权项
地址
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