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经营范围
发明名称
METHOD OF MINING STEEP ORE DEPOSITS
摘要
申请公布号
SU1656096(A1)
申请公布日期
1991.06.15
申请号
SU19894666190
申请日期
1989.01.02
申请人
DYUKOV VITALIJ L,SU;VOLKOV ANATOLIJ P,SU
发明人
DYUKOV VITALIJ L,SU;VOLKOV ANATOLIJ P,SU
分类号
E21C41/16
主分类号
E21C41/16
代理机构
代理人
主权项
地址
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