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发明名称
Verfahren und unter Gelaende arbeitende Vorrichtung zur Herstellung von Erdgraeben od. dgl. ohne Aushub
摘要
申请公布号
DE1110575(B)
申请公布日期
1961.07.06
申请号
DE1955H022798
申请日期
1955.01.25
申请人
BURKHARDT HOFFMANN
发明人
分类号
E02F5/10
主分类号
E02F5/10
代理机构
代理人
主权项
地址
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