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发明名称
Reflective sign structure
摘要
申请公布号
US2231139(A)
申请公布日期
1941.02.11
申请号
US19390270365
申请日期
1939.04.27
申请人
REININGER GUSTAVE M
发明人
REININGER GUSTAVE M.
分类号
G02B5/126
主分类号
G02B5/126
代理机构
代理人
主权项
地址
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