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发明名称
СПОСОБ ОТКРЫТОЙ РАЗРАБОТКИ МЕСТОРОЖДЕНИЙ ПОЛЕЗНЫХИСКОПАЕМЫХ И УСТРОЙСТВО ДЛЯ ЕГО ОСУЩЕСТВЛЕНИЯ
摘要
申请公布号
RU2005121452(A)
申请公布日期
2007.01.20
申请号
RU20050121452
申请日期
2005.07.07
申请人
Осадча Валентина Павловна (KZ)
发明人
Осадча Валентина Павловна (KZ)
分类号
E21C41/26
主分类号
E21C41/26
代理机构
代理人
主权项
地址
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