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经营范围
发明名称
BEDDED MINERAL DEPOSIT UNDERGROUND METHOD
摘要
申请公布号
SU1765406(A1)
申请公布日期
1992.09.30
申请号
SU19904840610
申请日期
1990.06.19
申请人
MO GORNYJ INSTITUT
发明人
BRODT ALEKSANDR S,SU;BURCHAKOV ANATOLIJ S,SU;PUCHKOV LEV A,SU;SHAROVAR IVAN I,SU
分类号
E21C41/18
主分类号
E21C41/18
代理机构
代理人
主权项
地址
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