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发明名称
METHOD OF FILLING MINED-OUT SPACE
摘要
申请公布号
SU589446(A1)
申请公布日期
1978.01.25
申请号
SU19762333110
申请日期
1976.03.09
申请人
VNII ZOLOTA REDKIKH METALLOV
发明人
USHAKOV VLADIMIR M,SU
分类号
E21F15/08;(IPC1-7):E21F15/08
主分类号
E21F15/08
代理机构
代理人
主权项
地址
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