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发明名称
Method for limiting subsidence during the excavation of underground cavities.
摘要
申请公布号
EP0498786(B1)
申请公布日期
1994.12.07
申请号
EP19920890013
申请日期
1992.01.16
申请人
UNIVERSALE-BAU AG;LIEBSCH, HELMUT, DIPL.-ING.
发明人
LIEBSCH, HELMUT, DIPL.ING.;POETTINGER, MANFRED, DIPL.ING
分类号
E21D9/00;E21D11/00;E21F17/00;(IPC1-7):E21D9/00
主分类号
E21D9/00
代理机构
代理人
主权项
地址
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