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经营范围
发明名称
Safety traffic signal light
摘要
申请公布号
US3408623(A)
申请公布日期
1968.10.29
申请号
US19650478190
申请日期
1965.08.09
申请人
MARY T. HANNER
发明人
WAGNER ADELAIDE
分类号
G08G1/096
主分类号
G08G1/096
代理机构
代理人
主权项
地址
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