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发明名称
Vorrichtung zum Vortreiben eines Tunnels oder Stollens
摘要
申请公布号
DE1927457(A1)
申请公布日期
1970.12.03
申请号
DE19691927457
申请日期
1969.05.29
申请人
SIEMENS-BAUUNION GMBH
发明人
SIEGFRIED ZELL,DIPL.-ING.
分类号
E21D9/00;E21D9/06
主分类号
E21D9/00
代理机构
代理人
主权项
地址
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