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经营范围
发明名称
METHOD OF MINING OF DIPPING ORE DEPOSITS
摘要
申请公布号
SU1700245(A1)
申请公布日期
1991.12.23
申请号
SU19904794233
申请日期
1990.02.19
申请人
NI GORNORUDNYJ INSTITUT
发明人
ZEMLYANUSHKIN VLADIMIR I,SU;SEMKO GENNADIJ I,SU;SEMESHIN VIKTOR Z,SU;MYACHIN STANISLAV D,SU
分类号
E21C41/22
主分类号
E21C41/22
代理机构
代理人
主权项
地址
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