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发明名称
Vehicle signaling system
摘要
申请公布号
US2175848(A)
申请公布日期
1939.10.10
申请号
US19380196813
申请日期
1938.03.19
申请人
E. H. KUEFFER
发明人
METCALF HERBERT E.
分类号
B60Q1/38
主分类号
B60Q1/38
代理机构
代理人
主权项
地址
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