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发明名称
METHOD OF CONTROLLING AVALANCHES
摘要
申请公布号
SU1516563(A1)
申请公布日期
1989.10.23
申请号
SU19884407310
申请日期
1988.02.23
申请人
CHETVERTNOV NIKOLAJ A,SU
发明人
CHETVERTNOV NIKOLAJ A,SU
分类号
E01F7/04
主分类号
E01F7/04
代理机构
代理人
主权项
地址
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