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发明名称
Apparatus for automatically controlling traffic
摘要
申请公布号
US2481126(A)
申请公布日期
1949.09.06
申请号
US19460680607
申请日期
1946.07.01
申请人
LAWS CLAUDE V
发明人
LAWS CLAUDE V.
分类号
G08G1/085
主分类号
G08G1/085
代理机构
代理人
主权项
地址
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