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发明名称
Vehicle detection device
摘要
申请公布号
US2223992(A)
申请公布日期
1940.12.03
申请号
US19380239759
申请日期
1938.11.10
申请人
HORNI PAUL P
发明人
HORNI PAUL P.
分类号
B61L13/04;G08G1/042
主分类号
B61L13/04
代理机构
代理人
主权项
地址
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