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发明名称
Traffic signal stand
摘要
申请公布号
US2487644(A)
申请公布日期
1949.11.08
申请号
US19470745584
申请日期
1947.05.02
申请人
NOMA ELECTRIC CORPORATION
发明人
FRYE HAROLD B.
分类号
B60Q7/00;E01F9/012
主分类号
B60Q7/00
代理机构
代理人
主权项
地址
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