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发明名称
Способ крепления вертикальных выработок
摘要
申请公布号
SU59111(A1)
申请公布日期
1940.11.30
申请号
SU19390026168
申请日期
1939.08.17
申请人
MANKOVSKIJ G.I.;MESHSHERYAKOV F.D.;OGANESOV SH.KH.
发明人
MANKOVSKIJ G.I.;MESHSHERYAKOV F.D.;OGANESOV SH.KH.
分类号
E21D5/04
主分类号
E21D5/04
代理机构
代理人
主权项
地址
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