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发明名称
Verfahren zum Auffahren von Hohlraeumen fuer die Herstellung unterirdischer Bauwerke,insbesondere Tunnels,Stollen od.dgl.
摘要
申请公布号
DE1947294(A1)
申请公布日期
1971.04.08
申请号
DE19691947294
申请日期
1969.09.18
申请人
ALFRED KUNZ & CO
发明人
EBER,ARNOLD,DIPL.-ING.;HEILBRUNNER,JOHANN
分类号
E21D9/10
主分类号
E21D9/10
代理机构
代理人
主权项
地址
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