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发明名称
Vorrichtung zum Herstellen von Graeben, Kanaelen, Furchen od. dgl.
摘要
申请公布号
DE852173(C)
申请公布日期
1954.07.05
申请号
DE1951L009721
申请日期
1951.08.01
申请人
LOEBELL ROLF
发明人
LOEBELL ROLF
分类号
E02B11/02;E02F3/92;E02F5/02;E02F5/10
主分类号
E02B11/02
代理机构
代理人
主权项
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