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发明名称
Способ закладки породой выработанного пространства и машина для осуществления способа
摘要
申请公布号
SU112422(A1)
申请公布日期
1957.11.30
申请号
SU19540576011
申请日期
1954.09.27
申请人
EFREMOV B.P.;LYAPIN D.P.;SHUMILOV V.V.;SHUMILOVA E.V.
发明人
EFREMOV B.P.;LYAPIN D.P.;SHUMILOV V.V.;SHUMILOVA E.V.
分类号
E21F15/06
主分类号
E21F15/06
代理机构
代理人
主权项
地址
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