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发明名称
Горный комбайн для подготовительных и очистных работ
摘要
申请公布号
SU43619(A1)
申请公布日期
1935.07.31
申请号
SU19340145136
申请日期
1934.04.02
申请人
YARMAK YU.I.;YATSKIKH V.G.
发明人
YARMAK YU.I.;YATSKIKH V.G.
分类号
E21C27/02;E21D9/10
主分类号
E21C27/02
代理机构
代理人
主权项
地址
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