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发明名称
Устройство для передвижении шахтных конвейеров
摘要
申请公布号
SU27918(A1)
申请公布日期
1932.10.31
申请号
SU19310094261
申请日期
1931.09.10
申请人
KOVALENKO G.N.
发明人
KOVALENKO G.N.
分类号
E21F13/08;E21C35/14
主分类号
E21F13/08
代理机构
代理人
主权项
地址
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