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发明名称
Advertising pillar
摘要
申请公布号
US2258560(A)
申请公布日期
1941.10.07
申请号
US19390289066
申请日期
1939.08.08
申请人
ERICH TRUNZER
发明人
TRUNZER ERICH
分类号
G09F15/00
主分类号
G09F15/00
代理机构
代理人
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