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发明名称
METHOD OF MINING MINERAL RESOURCES
摘要
申请公布号
RU1683375(C)
申请公布日期
1993.03.23
申请号
SU19894701959
申请日期
1989.06.07
申请人
NII PO PROBLEMAM KURSKOJ MAGNITNOJ ANOMALII IM.L.D.SHEVYAKOVA
发明人
KOVALENKO A.I.,SU;LEJZEROVICH S.G.,SU;LEBEDEV O.F.,SU;ROMANENKO V.A.,SU
分类号
E21C45/00
主分类号
E21C45/00
代理机构
代理人
主权项
地址
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