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经营范围
发明名称
Approaching vehicle indicator
摘要
申请公布号
US2803998(A)
申请公布日期
1957.08.27
申请号
US19530329559
申请日期
1953.01.05
申请人
ASHLEY IRA R
发明人
ASHLEY IRA R.
分类号
B60R1/00
主分类号
B60R1/00
代理机构
代理人
主权项
地址
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