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发明名称
AUFLEGERSPRENGVERFAHREN ZUR GESTEINSZERSTOERUNG UND HINDERNISBESEITIGUNG
摘要
申请公布号
DD280167(A1)
申请公布日期
1990.06.27
申请号
DD19890326002
申请日期
1989.02.24
申请人
VEB BRAUNKOHLENWERK OBERLAUSITZ,DD
发明人
FRIEDEL,WOLFGANG,DD;MOESE,HERBERT,DD
分类号
F42D3/04;(IPC1-7):F42D3/04
主分类号
F42D3/04
代理机构
代理人
主权项
地址
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