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发明名称
Устройство для дробления негабарита на открытых горных разработках
摘要
申请公布号
SU133027(A1)
申请公布日期
1960.11.30
申请号
SU19600660950
申请日期
1960.03.30
申请人
LEVCHENKO N.K.
发明人
LEVCHENKO N.K.
分类号
E21C47/00;E21C37/12;F42D3/04
主分类号
E21C47/00
代理机构
代理人
主权项
地址
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