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发明名称
Portable traffic signal
摘要
申请公布号
US2941185(A)
申请公布日期
1960.06.14
申请号
US19570660616
申请日期
1957.05.21
申请人
MULLIKIN WILBUR J
发明人
MULLIKIN WILBUR J.
分类号
G08G1/0955
主分类号
G08G1/0955
代理机构
代理人
主权项
地址
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