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发明名称
Direction signal
摘要
申请公布号
US2078894(A)
申请公布日期
1937.04.27
申请号
US19360072320
申请日期
1936.04.02
申请人
ARROW SAFETY DEVICE COMPANY, INC.
发明人
HAINES JOHN RALPH
分类号
B60Q1/34
主分类号
B60Q1/34
代理机构
代理人
主权项
地址
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