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发明名称
Verfahren und Einrichtung zum Vortrieb und zum Ausbau von Strecken,Tunnels u.dgl.
摘要
申请公布号
DE1758161(A1)
申请公布日期
1971.01.14
申请号
DE19681758161
申请日期
1968.04.13
申请人
PAURAT,FRIEDRICH WILHELM
发明人
WILHELM PAURAT,FRIEDRICH
分类号
E21D11/40
主分类号
E21D11/40
代理机构
代理人
主权项
地址
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