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发明名称
VERFAHREN ZUR BESEITIGUNG VON GEFAEHRLICHEN AUFLOCKERUNGEN UM NICHT AUSGEBAUTE GEBIRGSHOHLRAEUME IM FESTGESTEIN
摘要
申请公布号
DD231385(A1)
申请公布日期
1985.12.24
申请号
DD19840263925
申请日期
1984.06.12
申请人
INGENIEURHOCHSCHULE COTTBUS,,,,DD
发明人
HERMSDORF,JUERGEN,DD;KUHN,GUENTHER,DD
分类号
E21F11/00;(IPC1-7):E21F11/00
主分类号
E21F11/00
代理机构
代理人
主权项
地址
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