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发明名称
Light reflecting sign
摘要
申请公布号
US2426163(A)
申请公布日期
1947.08.26
申请号
US19430483595
申请日期
1943.04.19
申请人
BOOTH JACK J
发明人
BOOTH JACK J.
分类号
G09F13/16
主分类号
G09F13/16
代理机构
代理人
主权项
地址
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