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发明名称
METHOD OF OPEN-CAST MINING OF ORE DEPOSITS
摘要
申请公布号
SU1476135(A1)
申请公布日期
1989.04.30
申请号
SU19874241695
申请日期
1987.05.07
申请人
MO GEOLOGORAZVEDOCHNYJ I IM.SERGO ORDZHONIKIDZE
发明人
ANISTRATOV YURIJ I,SU;YURIN NIKOLAJ N,SU
分类号
E21C41/00
主分类号
E21C41/00
代理机构
代理人
主权项
地址
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