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发明名称
Rollkorrektureinrichtung fuer eine Vorrichtung zum Vortrieb von Tunneln und Strecken
摘要
申请公布号
DE3401012(C1)
申请公布日期
1985.04.11
申请号
DE19843401012
申请日期
1984.01.13
申请人
HOCHTIEF AG VORM. GEBR. HELFMANN, 4300 ESSEN, DE
发明人
VERZICHT DES ERFINDERS AUF NENNUNG
分类号
E21D9/06;E21D9/087;(IPC1-7):E21D9/06
主分类号
E21D9/06
代理机构
代理人
主权项
地址
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