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发明名称
MINE BARRIER
摘要
申请公布号
SU721545(A1)
申请公布日期
1980.03.15
申请号
SU19772556886
申请日期
1977.12.20
申请人
NI GORNORUDNYJ INSTITUT
发明人
BOGDANOV PETR A,SU;CHIRVA ANATOLIJ G,SU;NEARONOVA GALINA F,SU;FILONENKO IVAN ,SU
分类号
E21F15/02;E21F1/14;(IPC1-7):E21F15/02
主分类号
E21F15/02
代理机构
代理人
主权项
地址
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