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发明名称
Animated sign
摘要
申请公布号
US2103300(A)
申请公布日期
1937.12.28
申请号
US19370150238
申请日期
1937.06.25
申请人
FRANK MCQUOID
发明人
ROBERTS BRUCE
分类号
G09F11/23
主分类号
G09F11/23
代理机构
代理人
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地址
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