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发明名称
METHOD OF UNDERGROUND MINING OF ORE BODY WITH SELF-CEMENTING FILL OF GOAF
摘要
申请公布号
SU1709093(A1)
申请公布日期
1992.01.30
申请号
SU19894753434
申请日期
1989.10.23
申请人
VASILEV VLADIMIR V,SU
发明人
VASILEV VLADIMIR V,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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