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发明名称
Combined street light and sign structure
摘要
申请公布号
US2156194(A)
申请公布日期
1939.04.25
申请号
US19380212194
申请日期
1938.06.06
申请人
RANNEY ROY W
发明人
RANNEY ROY W.
分类号
F21S13/00
主分类号
F21S13/00
代理机构
代理人
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