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发明名称
Illuminated sign and sign character
摘要
申请公布号
US2130752(A)
申请公布日期
1938.09.20
申请号
US19350046143
申请日期
1935.10.22
申请人
ERWIN WAGNER
发明人
WAGNER ERWIN
分类号
G09F7/08
主分类号
G09F7/08
代理机构
代理人
主权项
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