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发明名称
AIR DIRECTIONAL BREAKING-UP OF SOLID OBJECTS
摘要
申请公布号
SU1460252(A1)
申请公布日期
1989.02.23
申请号
SU19874242756
申请日期
1987.05.12
申请人
LE GORNYJ I IM.G.V.PLEKHANOVA
发明人
KORSAKOV PETR F,SU
分类号
E21C37/10
主分类号
E21C37/10
代理机构
代理人
主权项
地址
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