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发明名称
Advertising display device
摘要
申请公布号
US1920221(A)
申请公布日期
1933.08.01
申请号
US19330650378
申请日期
1933.01.06
申请人
STITZEIL HARRY D
发明人
STITZEIL HARRY D.
分类号
G09F19/02;G09F19/08
主分类号
G09F19/02
代理机构
代理人
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地址
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