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发明名称
METHOD OF FILLING-UP EXCAVATED CHAMBERS
摘要
申请公布号
SU735805(A1)
申请公布日期
1980.05.25
申请号
SU19772533743
申请日期
1977.10.10
申请人
VORONIN VASILIJ P,SU;ROGALIS VIKTOR S,SU
发明人
VORONIN VASILIJ P,SU;ROGALIS VIKTOR S,SU
分类号
E21F15/00;(IPC1-7):E21F15/00
主分类号
E21F15/00
代理机构
代理人
主权项
地址
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