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发明名称
Verfahren zum Vorbewegen einer wenigstens zwei Abschnitte aufweisenden Fahrbahn fuer Tunnel od. dgl. sowie Einrichtung zur Durchfuehrung des Verfahrens
摘要
申请公布号
DE1296663(B)
申请公布日期
1969.06.04
申请号
DE1964J025550
申请日期
1964.03.26
申请人
JACOBS, JOSEPH DONOVAN
发明人
分类号
E21D9/12;E21F13/02
主分类号
E21D9/12
代理机构
代理人
主权项
地址
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