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经营范围
发明名称
METHOD FOR OPEN MINING
摘要
申请公布号
RU2061865(C1)
申请公布日期
1996.06.10
申请号
SU19915009317
申请日期
1991.10.11
申请人
AO INSTITUT PO PROEKTIROVANIYU GORNORUDNYKH PREDPRIYATIJ "GIPRORUDA"
发明人
LINEV VLADIMIR P;ARSENEV SERGEJ YA;RUBINSHTEJN SERGEJ B;EPSHTEJN IGOR V
分类号
E21C41/26;(IPC1-7):E21C41/26
主分类号
E21C41/26
代理机构
代理人
主权项
地址
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