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发明名称
Selbsttätige Signalvorrichtung an einer Strasse, zur Verkehrsregelung, bei welcher im Strassenkörper ein Plattenkörper angebracht ist.
摘要
申请公布号
CH222918(A)
申请公布日期
1942.08.15
申请号
CHD222918
申请日期
1941.07.11
申请人
NAERBO,DANIEL
发明人
NAERBO,DANIEL
分类号
E01F11/00;G08G1/02
主分类号
E01F11/00
代理机构
代理人
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