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发明名称
Vorrichtung an Land- oder Seefahrzeugen zum Einhalten der Strassenmitte oder eines bestimmten Abstandes von seitlichen Begrenzungen
摘要
申请公布号
DE1051888(B)
申请公布日期
1959.03.05
申请号
DE1956W019797
申请日期
1956.09.24
申请人
EMIL WITTE
发明人
WITTE EMIL
分类号
E01C23/16
主分类号
E01C23/16
代理机构
代理人
主权项
地址
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