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发明名称
CALCULADORA INFANTIL
摘要
申请公布号
BR8302953(A)
申请公布日期
1985.01.15
申请号
BR19830002953
申请日期
1983.05.30
申请人
JAIME ANTONIO CABRAL
发明人
JAIME ANTONIO CABRAL
分类号
G09B1/14;(IPC1-7):G09B1/14
主分类号
G09B1/14
代理机构
代理人
主权项
地址
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