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发明名称
APERFEICOAMENTOS EM DISPOSITIVOS PARA PROPAGANDA
摘要
申请公布号
BR7905204(A)
申请公布日期
1981.02.10
申请号
BR19790005204
申请日期
1979.08.10
申请人
DONNAT G
发明人
DONNAT G
分类号
G09F13/00;G09F21/04;(IPC1-7):G09F21/04
主分类号
G09F13/00
代理机构
代理人
主权项
地址
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