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发明名称
Warning signal devices
摘要
申请公布号
US2890623(A)
申请公布日期
1959.06.16
申请号
US19550518319
申请日期
1955.06.27
申请人
GRIFFITH PAUL H
发明人
GRIFFITH PAUL H.
分类号
B60Q7/00
主分类号
B60Q7/00
代理机构
代理人
主权项
地址
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