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发明名称
ENCLOSING TIMBERING FOR MINE WORKINGS
摘要
申请公布号
SU962628(A1)
申请公布日期
1982.09.30
申请号
SU19813266025
申请日期
1981.03.24
申请人
VNII BEZOPASNOSTI TRUDA V GORNORUDNOJ PROMY (VNIIBTG)
发明人
CHERNOUS ALEKSANDR P,SU;EFREMOV VLADIMIR S,SU;KULBIDA VYACHESLAV P,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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