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发明名称
Animated display
摘要
申请公布号
US2507787(A)
申请公布日期
1950.05.16
申请号
US19450630657
申请日期
1945.11.24
申请人
FRED HOTCHNER
发明人
HOTCHNER FRED
分类号
G09F11/23
主分类号
G09F11/23
代理机构
代理人
主权项
地址
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