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发明名称
Угольный комбайн
摘要
申请公布号
SU85166(A1)
申请公布日期
1949.11.30
申请号
SU19490393926
申请日期
1949.03.23
申请人
IGNATOV N.N.
发明人
IGNATOV N.N.
分类号
E21C27/00;E21C29/00;E21C35/04
主分类号
E21C27/00
代理机构
代理人
主权项
地址
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