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发明名称
Способ передвижки забойных конвейеров угольных шахт
摘要
申请公布号
SU120486(A1)
申请公布日期
1958.11.30
申请号
SU19580592485
申请日期
1958.02.15
申请人
SIDOROV A.A.;KHORIN V.N.
发明人
SIDOROV A.A.;KHORIN V.N.
分类号
E21D23/08;E21D23/20
主分类号
E21D23/08
代理机构
代理人
主权项
地址
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