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发明名称
CAIXA CALCULADORA ELETRONICA
摘要
申请公布号
BR7000254(U)
申请公布日期
1991.10.01
申请号
BR1990MU00254U
申请日期
1990.02.08
申请人
JOSE FRANCISCO DA COSTA
发明人
JOSE FRANCISCO DA COSTA
分类号
G07G1/00;(IPC1-7):G07G1/00
主分类号
G07G1/00
代理机构
代理人
主权项
地址
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