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发明名称
Portable traffic signal system
摘要
申请公布号
US3046521(A)
申请公布日期
1962.07.24
申请号
US19600021638
申请日期
1960.04.12
申请人
CANTWELL EDWARD G;CURL ROBERT S;LINZELL SAMUEL O
发明人
CANTWELL EDWARD G.;CURL ROBERT S.;LINZELL SAMUEL O.
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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