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发明名称
DISPOSITIVO PARA PRESENTAR LOS RESULTADOS DE LOS SORTEOS DELA ORGANIZACION NACIONAL DE CIEGOS.
摘要
申请公布号
ES147221(Y)
申请公布日期
1970.04.01
申请号
ES19690147221U
申请日期
1969.04.05
申请人
LOPEZ HERAS
发明人
分类号
G09D
主分类号
G09D
代理机构
代理人
主权项
地址
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