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发明名称
Горный комбайн
摘要
申请公布号
SU84926(A2)
申请公布日期
1949.11.30
申请号
SU19470354561
申请日期
1947.04.28
申请人
PSHENKO M.M.
发明人
PSHENKO M.M.
分类号
E21C27/00;E21C29/22
主分类号
E21C27/00
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