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发明名称
VORTRIEBSEINRICHTUNG, INSBESONDERE FUER DEN SCHILDVORTRIEB VON TUNNELN, STOLLEN U.DGL.
摘要
申请公布号
DE2902908(A1)
申请公布日期
1980.07.31
申请号
DE19792902908
申请日期
1979.01.26
申请人
GEWERKSCHAFT EISENHUETTE WESTFALIA
发明人
GUENTER FOLLERT,HANS
分类号
E21D9/08;(IPC1-7):21D9/06
主分类号
E21D9/08
代理机构
代理人
主权项
地址
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