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发明名称
Комбинированный способ разрушения негабаритов железных руд
摘要
申请公布号
SU140773(A1)
申请公布日期
1961.11.30
申请号
SU19610693785
申请日期
1961.01.23
申请人
发明人
LUTSYAK V.G.;KHARLASHKIN K.N.
分类号
E21C37/20;E21F17/00
主分类号
E21C37/20
代理机构
代理人
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地址
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