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经营范围
发明名称
DUMPING METHOD AT OPENED EXPLOITATION OF DEPOSIT
摘要
申请公布号
SU1745942(A1)
申请公布日期
1992.07.07
申请号
SU19904837182
申请日期
1990.06.08
申请人
NII PO PROBLEMAM KURSKOJ MAGNITNOJ ANOMALII IM.L.D.SHEVYAKOVA
发明人
SELIVERSTOV ALEKSEJ I,SU;IBATULLIN ROBERT I,SU;TSARKOV NIKOLAJ E,SU;MUTAEV RAFKAT S,SU;DEMIN ALEKSANDR M,SU;IVANCHENKO ALEKSANDR M,SU
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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