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发明名称
DISPOSICAO INTRODUZIDA EM CAIXA ACUSTICA
摘要
申请公布号
BR6802041(U)
申请公布日期
1990.05.01
申请号
BR1988MU02041U
申请日期
1988.09.14
申请人
AILTON SEMEONE
发明人
AILTON SEMEONE
分类号
H04R1/02;(IPC1-7):H04R1/02
主分类号
H04R1/02
代理机构
代理人
主权项
地址
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