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经营范围
发明名称
METHOD OF EXTRACTING MINERAL DEPOSIT
摘要
申请公布号
SU1763656(A1)
申请公布日期
1992.09.23
申请号
SU19904867611
申请日期
1990.09.19
申请人
NI GORNORUDNYJ INSTITUT
发明人
SENNIKOV NIKOLAJ M,SU;PLEKHANOV VASILIJ K,SU;DEREVENSKIJ EVGENIJ A,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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