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发明名称
Auto vehicle safety signal
摘要
申请公布号
US2282761(A)
申请公布日期
1942.05.12
申请号
US19390289074
申请日期
1939.08.08
申请人
HERWIG IRVIN G H
发明人
HERWIG IRVIN G. H.
分类号
B60Q1/22
主分类号
B60Q1/22
代理机构
代理人
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