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发明名称
Горный комбайн
摘要
申请公布号
SU34493(A1)
申请公布日期
1934.02.28
申请号
SU19320113142
申请日期
1932.07.25
申请人
GROMENSHSHIKOV N.G.
发明人
GROMENSHSHIKOV N.G.
分类号
E21C25/52;E21D9/10
主分类号
E21C25/52
代理机构
代理人
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地址
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