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发明名称
Letter for display signs
摘要
申请公布号
US2784510(A)
申请公布日期
1957.03.12
申请号
US19520326053
申请日期
1952.12.15
申请人
THE JAYE CORPORATION
发明人
JAYE RICHARD C.
分类号
G09F13/04
主分类号
G09F13/04
代理机构
代理人
主权项
地址
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