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发明名称
Подающий механизм врубовой или комбинированной машины для добычи полезных ископаемых
摘要
申请公布号
SU87011(A1)
申请公布日期
1949.11.30
申请号
SU19490395864
申请日期
1949.04.21
申请人
ALSHITS YA.I.
发明人
ALSHITS YA.I.
分类号
E21C29/04;E21C29/00
主分类号
E21C29/04
代理机构
代理人
主权项
地址
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