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发明名称
Узкозахватный угольный комбайн
摘要
申请公布号
SU89199(A1)
申请公布日期
1949.11.30
申请号
SU19490402748
申请日期
1949.08.12
申请人
YATSKIKH V.G.
发明人
YATSKIKH V.G.
分类号
E21C27/26;E21C25/50;E21C35/14
主分类号
E21C27/26
代理机构
代理人
主权项
地址
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