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发明名称
CAIXA-PRETA VISUAL
摘要
申请公布号
BR9002513(A)
申请公布日期
1991.11.26
申请号
BR1990PI02513
申请日期
1990.05.21
申请人
JOAO BAPTISTA MACHADO ROSA FILHO
发明人
JOAO BAPTISTA MACHADO ROSA FILHO
分类号
(IPC1-7):G11B5/08
主分类号
(IPC1-7):G11B5/08
代理机构
代理人
主权项
地址
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